Micro Mineral List
viewing all minerals that start with the letter M
(#0-179 out of 179 specimens found)
| Mineral Name | Item # | Size & Description | Location | qty | Price & Size |
| Macdonaldite TL | Matrix over 1cm. Crust on matrix. | Rush Creek, Fresno, California, USA. | 13 | $1.5 Micromount | |
| Macdonaldite TL | Matrix over 1cm. Massive. | Rush Creek, Fresno, California, USA. | 10 | $5 Micromount | |
| Macdonaldite TL | Matrix over/under 1cm. Massive. | Rush Creek, Fresno, California, USA. | 14 | $6 Micromount | |
| Macdonaldite TL | Matrix over/under 1cm. Massive. | Rush Creek, Fresno, California, USA. | 1 | $8 Micromount | |
| Macfallite TL | Matrix under 1cm. Acicular Matrix. | Copper Harbour, Michigan, USA. | 9 | $6 Micromount | |
| Magadiite | Matrix over 1cm. Massive. | Khanem, Chad | 7 | $3.5 Micromount | |
| Magadiite | Matrix over/under 1cm. Massive. | Khanem, Chad | 10 | $7 Micromount | |
| Magadiite | Microscopic. Massive. | Trinity Co. California, USA. | 19 | $1 Micromount | |
| Magadiite | Matrix over 1cm. Massive. | Trinity Co. California, USA. | 32 | $3.5 Micromount | |
| Maghemite | Matrix over 1cm. Massive. | Gala, Djebilet, Algeria | 6 | $8 Micromount | |
| Magnesio-axinite | Matrix over/under 1cm. Massive. | Luning, Nevada, USA. | 2 | $4 Micromount | |
| Magnesioferrite | Matrix over/under 1cm. Massive. | Obergergen, kaiserstuhl, baden-Wurit, Germany | 13 | $3 Micromount | |
| Magnesioferrite | Matrix over 1cm. Massive. | Obergergen, kaiserstuhl, baden-Wurit, Germany | 16 | $3.5 Micromount | |
| Magnesioferrite | Matrix over/under 1cm. crystaline. | Schelingen, Kaiserstuhr, Baden, Germany | 21 | $5 Micromount | |
| Magnesioriebeckite | Matrix over 1cm. crystaline. | (rhodusite) Wallis, Switzerland | 7 | $5 Micromount | |
| Magnesioriebeckite | Matrix over 1cm. crystaline. | Norra Karr, Granna, Sweden | 5 | $4 Micromount | |
| Magnesite | Matrix over/under 1cm. Crystals on matrix. | (ferrian) Brosso, Torino, Italy | 3 | $4 Micromount | |
| Magnesite | Matrix over/under 1cm. Crystals on matrix. | (mesitite) La Mure, Isere, France | 2 | $5 Micromount | |
| Magnetite | Matrix under 1cm. Crystals. | (spinel twins) Jacupiranga Mine, Sao Paulo State, Brazil | 14 | $6 Micromount | |
| Magnetite | Matrix under 1cm. crystal on matrix. | Calle de Lya, Italy | 9 | $1 Micromount | |
| Magnetite | Microscopic. Crystal. | Hot Springs, Arkansas, USA. | 20 | $1 Micromount | |
| Magnetite | Microscopic. Crystal. | Jacupiranga Mine, Sao Paulo State, Brazil | 9 | $1 Micromount | |
| Magnetite | Microscopic. Crystal. | Jacupiranga Mine, Sao Paulo State, Brazil | 17 | $3 Micromount | |
| Magnetite | Matrix under 1cm. Crystals. | Jacupiranga Mine, Sao Paulo State, Brazil | 12 | $5 Micromount | |
| Magnetite | Matrix over/under 1cm. crystal on matrix. | Levack, Levack Twp., near Sudbury, Ontario, Canada | 24 | $1 Micromount | |
| Magnetite | Matrix over 1cm. Crystals on matrix. | MacArthur Lake, Bartlet Twp., Ontario, Canada | 9 | $1 Micromount | |
| Magnetite | Matrix over/under 1cm. crystal on matrix. | near Ottawa, Ontario, Canada | 34 | $2 Micromount | |
| Magnetite | Matrix over 1cm. Crystals on matrix. | New York, New York, USA. | 7 | $1 Micromount | |
| Magnetite | Matrix over/under 1cm. Crystals on matrix. | New York, New York, USA. | 23 | $1 Micromount | |
| Magnetite | Matrix over/under 1cm. crystal on matrix. | Oka, Quebec, Canada | 28 | $1 Micromount | |
| Magnetite | Microscopic. Crystals. | Rischuna Alp, Switzerland | 1 | $1 Micromount | |
| Magnetite | Matrix under 1cm. Crystals on matrix. | St. John's Bridge, Portland, Oregon, USA. | 1 | $2 Micromount | |
| Magnetoplumbite TL | Matrix over 1cm. crystaline. | Langban mine, Filipstad, Varmland, Sweden | 18 | $5 Micromount | |
| Malachite | Matrix over 1cm. Crystals on matrix. | barite. New Britain, Connecticut, USA. | 1 | $2 Micromount | |
| Malachite | Matrix over/under 1cm. Crystals on matrix. | Bisbee Mine, Bisbee, Arizona, USA. | 16 | $1 Micromount | |
| Malachite | Matrix over 1cm. crystaline. | Blanchard Mine, Bingham, New Mexico | 2 | $1 Micromount | |
| Malachite | Matrix over 1cm. Crystals on matrix. | Bleialf, Laacher See, Eifel, Germany | 1 | $3 Micromount | |
| Malachite | Matrix over 1cm. Crystals on matrix. | Copley, South Australia, Australia | 11 | $4 Micromount | |
| Malachite | Matrix over/under 1cm. crystals on matrix/BM. | Denny Mountain, King Co., Washington, USA. | 7 | $2 Micromount | |
| Malachite | Matrix over/under 1cm. Crystals on matrix. | Ojuela Mine, Mapimi, Durango, Mexico | 29 | $1.25 Micromount | |
| Malachite | Matrix over/under 1cm. Crystals on matrix. | Shinkolobwe Mine, Zaire, Africa | 3 | $2.5 Micromount | |
| Malachite | Matrix over/under 1cm. Crystals on matrix. | Tsumeb Mine, Tsumeb, Namibia, Africa | 15 | $2 Micromount | |
| Malachite | Matrix over 1cm. Crystals on matrix. | Zacatecas, Mexico | 10 | $2 Micromount | |
| Malachite | Matrix over 1cm. Crystals on matrix. | Zacatecas, Mexico | 4 | $3 Micromount | |
| Malladrite | Microscopic. Massive. | Huelva, Spain | 3 | $8 Micromount | |
| Manasseite | Matrix over 1cm. Massive. | Dypingdal, Modum, Norway | 9 | $8 Micromount | |
| Manganaxinite | Matrix over/under 1cm. Massive. | Luning, Nevada, USA. | 95 | $1.5 Micromount | |
| Manganite | Matrix over 1cm. crystaline. | Bolet, Vastergotland, Sweden | 1 | $3 Micromount | |
| Manganite | Matrix over 1cm. Crystals on matrix. | Steep Rock Lake, Atikokan, Ontario, Canada | 15 | $2 Micromount | |
| Manganite | Matrix over 1cm. Crystals on matrix. | Steep Rock Lake, Atikokan, Ontario, Canada | 6 | $8 Micromount | |
| Mansfieldite TL | Matrix over 1cm. Crust on matrix. | Hobart Butte, Lane Co., Oregon, USA. | 6 | $1.5 Micromount | |
| Mansfieldite TL | Matrix over 1cm. Massive. | Hobart Butte, Lane Co., Oregon, USA. | 14 | $3 Micromount | |
| Marcasite | Microscopic. Crystal. | Ace Hill, Cass Co., Nebraska, USA. | 21 | $1 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | calcite. Francon, Quarry, Montreal, Canada. | 1 | $2.5 Micromount | |
| Marcasite | Matrix over/under 1cm. Crystals on matrix. | fluorite. Francon, Quarry, Montreal, Canada. | 9 | $1 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | Francon, Quarry, Montreal, Canada. | 10 | $1 Micromount | |
| Marcasite | Matrix over/under 1cm. Crystals on matrix. | Francon, Quarry, Montreal, Canada. | 2 | $2 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | Francon, Quarry, Montreal, Canada. | 6 | $3 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | Francon, Quarry, Montreal, Canada. | 8 | $5 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | Neenah Quarry, Neenah, Wiscounsin, USA. | 2 | $2 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | quartz. Francon, Quarry, Montreal, Canada. | 2 | $1 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | Salzburg, Austria | 8 | $1 Micromount | |
| Marcasite | Matrix over/under 1cm. Crystals on matrix. | Salzburg, Austria | 10 | $1 Micromount | |
| Marcasite | Matrix over/under 1cm. Crystals on matrix. | strontianite. Francon, Quarry, Montreal, Canada. | 3 | $1 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | strontianite. Francon, Quarry, Montreal, Canada. | 3 | $2.5 Micromount | |
| Marcasite | Matrix over 1cm. Crystals on matrix. | weloganite. Francon, Quarry, Montreal, Canada. | 2 | $4 Micromount | |
| Massicot | Matrix over 1cm. Massive. | Kurfurst Mine, Ernst, Sauerland, Germany | 2 | $8 Micromount | |
| Matulaite TL | Matrix over/under 1cm. Crystals on matrix. | Bachman Mine, Hellertown, Pennsylvania, USA. | 5 | $6 Micromount | |
| Matulaite TL | Matrix over/under 1cm. Crystals on matrix. | Bachman Mine, Hellertown, Pennsylvania, USA. | 5 | $10 Micromount | |
| Mcguinnessite TL | Matrix over 1cm. Crust on matrix. | Red Mountain, Mendocino Co., California, USA. | 8 | $6 Micromount | |
| Meionite | Matrix over 1cm. Massive. | Chelan Co., Washington, USA. | 1 | $2 Micromount | |
| Meionite | Matrix over/under 1cm. Crystal. | Gooderham, Ontario, Canada | 3 | $5 Micromount | |
| Melanocerite-(Ce) | Matrix over 1cm. Massive. | Cardiff Mine, Wilberforce, Ontario, Canada | 4 | $5 Micromount | |
| Melanophlogite | Matrix over 1cm. Balls on matrix. | Fortullino, Livorno, Italy | 1 | $15 Micromount | |
| Melanophlogite | Matrix over/under 1cm. Crust on matrix. | Mount Hamilton, Santa Clara Co., California, USA. | 1 | $10 Micromount | |
| Melanotekite TL | Matrix over 1cm. Massive. | biotite. Langban, Varmland, Sweden | 2 | $5 Micromount | |
| Melanterite | Matrix over 1cm. crystaline. | Le Cetine Mine, Sienna, Tuscany, Italy | 4 | $6 Micromount | |
| Melilite | Matrix over/under 1cm. crystal on matrix. | Calli Eugama, Lazio, Tuscany, Italy | 9 | $5 Micromount | |
| Melilite | Matrix over 1cm. Crystals on matrix. | nepheline. Udersdorf, Laacher See, Eifel, Germany | 7 | $6 Micromount | |
| Melilite | Matrix over/under 1cm. Crystals on matrix. | nepheline. Weiersbach, Eifel, Germany | 9 | $6 Micromount | |
| Melilite | Matrix over 1cm. Crystals on matrix. | Udersdorf, Laacher See, Eifel, Germany | 1 | $6 Micromount | |
| Mercury | Matrix over/under 1cm. Massive. | Eureka Mine, Sonoma Co., California, USA. | 11 | $2 Micromount | |
| Mercury | Matrix over/under 1cm. Massive. | Levigliani Mine, Coorizia, Italy | 14 | $1 Micromount | |
| Mercury | Matrix under 1cm. Massive. | Socrates Mine, Sonoma Co., California, USA. | 1 | $2 Micromount | |
| Mesolite | Matrix over/under 1cm. Crystals on matrix. | Craighulliar Quarry, Portrush Co., Antrim, Ireland | 18 | $1 Micromount | |
| Messelite | Matrix over/under 1cm. crystaline. | Palermo Mine, North Groton, New Hampshire, USA. | 49 | $2 Micromount | |
| Messelite | Matrix over 1cm. Massive. | Palermo Mine, North Groton, New Hampshire, USA. | 4 | $3 Micromount | |
| Messelite | Matrix over/under 1cm. Massive. | vivianite. Palermo Mine, North Groton, New Hampshire, USA. | 5 | $2 Micromount | |
| Meta-autunite | Matrix over 1cm. Crystals on matrix. | Ford, Washington, USA. | 13 | $3 Micromount | |
| Meta-autunite | Matrix under 1cm. crystaline. | Foytov, Karlsbad, Czechoslovakia | 2 | $3 Micromount | |
| Metasideronatrite | Microscopic. Powder. | Atacama Desert, Chile | 5 | $2 Micromount | |
| Metasideronatrite TL | Matrix over/under 1cm. crystaline. | Sierro Gordo, Chuquicamata, Antofagasta, Chile | 4 | $5 Micromount | |
| Metatorbernite | Matrix over/under 1cm. Crystals on matrix. | Urgeirica, Portugal | 5 | $5 Micromount | |
| Metavoltine | Matrix under 1cm. Crystals on matrix. | Cetine Mine, Sienna, Italy | 17 | $5 Micromount | |
| Metazeunerite | Matrix over 1cm. Crystals on matrix. | Wheal Edward, St. Just, Cornwall, England | 1 | $5 Micromount | |
| Microcline | Matrix over 1cm. crystal on matrix. | aegerine. Mont St. Hilaire, Rouville Co., Quebec, Canada | 1 | $2 Micromount | |
| Microcline | Matrix over 1cm. Crystals on matrix. | albite. French Creek, Pennsylavania, USA. | 9 | $1.25 Micromount | |
| Microcline | Matrix over/under 1cm. Crystals on matrix. | albite. Lafibbia, St. Gottard, Switzerland | 8 | $2 Micromount | |
| Microcline | Matrix over 1cm. Crystals on matrix. | albite. Wakefield, Quebec, Canada | 10 | $1 Micromount | |
| Microcline | Matrix over/under 1cm. Crystals on matrix. | dolomite. Mont St. Hilaire, Rouville Co., Quebec, Canada | 16 | $2 Micromount | |
| Microcline | Microscopic. Crystal. | Judith Mountains, Lewiston, Montana, USA. | 2 | $1 Micromount | |
| Microcline | Matrix over 1cm. Crystals on matrix. | Mont St. Hilaire, Rouville Co., Quebec, Canada | 26 | $1 Micromount | |
| Microcline | Matrix over 1cm. Crystals on matrix. | Palermo Mine, North Groton, New Hampshire, USA. | 2 | $1 Micromount | |
| Microcline | Matrix under 1cm. Crystal. | Poudrette Quarry, Mont St. Hilaire, Quebec, Canada | 1 | $1 Micromount | |
| Millerite | Matrix over 1cm. crystal on matrix. | Castelluccio di Moscheda, Modena, Italy | 3 | $3.5 Micromount | |
| Millerite | Matrix over/under 1cm. Acicular Matrix. | Ca`Dei, Ladri, Bologna, Italy | 46 | $3 Micromount | |
| Millerite | Matrix over/under 1cm. Crystals on matrix. | Hall's Gap, Lincoln Co., Kentucky, USA. | 8 | $1 Micromount | |
| Millerite | Matrix over/under 1cm. Crystals on matrix. | Hall's Gap, Lincoln Co., Kentucky, USA. | 6 | $2 Micromount | |
| Millerite | Matrix over 1cm. Crystals on matrix. | Hall's Gap, Lincoln Co., Kentucky, USA. | 4 | $5 Micromount | |
| Millerite | Matrix over 1cm. Crystals on matrix. | Hall's Gap, Lincoln Co., Kentucky, USA. | 7 | $6 Micromount | |
| Millerite | Matrix over/under 1cm. Acicular Matrix. | Keokuk, Iowa, USA. | 10 | $2 Micromount | |
| Millerite | Matrix over/under 1cm. Crystals on matrix. | MacLennan Mine, Skead, Ontario, Canada | 5 | $2.5 Micromount | |
| Millerite | Matrix over 1cm. Crystals on matrix. | MacLennan Mine, Skead, Ontario, Canada | 3 | $3 Micromount | |
| Millerite | Matrix over/under 1cm. crystal on matrix. | Orford Nickel Mine, Orford, Quebec, Canada | 45 | $1 Micromount | |
| Millerite | Matrix over/under 1cm. Crystals on matrix. | Orford Nickel Mine, Orford, Quebec, Canada | 44 | $3 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | (camphylite). Drygill, Cumberland, England | 2 | $2 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | (camphylite). Drygill, Cumberland, England | 13 | $3 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | (camphylite). Mosedale, Cumberland, England | 9 | $2 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | Cap Garonne, France | 1 | $2.5 Micromount | |
| Mimetite | Matrix under 1cm. Crystals on matrix. | fluorite. Rawhide Mine, Mohave Co., Arizona, USA. | 1 | $1 Micromount | |
| Mimetite | Matrix over 1cm. Balls on matrix. | minium. Chah Milleh Mine, Dasht-e-Kavir, near Anarak, Iran | 5 | $5 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | Mohave Co., Arizona, USA. | 10 | $2 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | Rawley Mine, Theba, Arizona, USA. | 24 | $1 Micromount | |
| Mimetite | Matrix over 1cm. Balls on matrix. | San Francisco Mine, Magdalena, Sonora, Mexico | 3 | $4 Micromount | |
| Mimetite | Matrix over 1cm. Balls on matrix. | San Pedro Mine, Cui, Mexico | 2 | $2 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | Santa Eulalia, Chihuahua, Mexico | 1 | $1.5 Micromount | |
| Mimetite | Matrix over 1cm. Balls on matrix. | Santa Eulalia, Chihuahua, Mexico | 10 | $3 Micromount | |
| Mimetite | Matrix under 1cm. Crystals on matrix. | Tiger Mine, Pima Co., Arizona, USA. | 2 | $1 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | Tiger Mine, Pima Co., Arizona, USA. | 11 | $3 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | Tsumeb Mine, Tsumeb, Namibia, Africa | 48 | $1.5 Micromount | |
| Mimetite | Matrix over 1cm. Crystals on matrix. | Tsumeb Mine, Tsumeb, Namibia, Africa | 9 | $3 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | Tsumeb Mine, Tsumeb, Namibia, Africa | 9 | $4 Micromount | |
| Mimetite | Matrix under 1cm. Crystals on matrix. | wulfenite Ojuela Mine, Mapimi, Durango, Mexico | 10 | $1 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | wulfenite Ojuela Mine, Mapimi, Durango, Mexico | 13 | $2 Micromount | |
| Mimetite | Matrix over/under 1cm. Crystals on matrix. | Zacatecas, Mexico | 9 | $2 Micromount | |
| Minium | Matrix over 1cm. PM. | Chah Milleh Mine, Dasht-e-Kavir, near Anarak, Iran | 7 | $3.5 Micromount | |
| Minium | Matrix over 1cm. Massive. | Chah Milleh Mine, Dasht-e-Kavir, near Anarak, Iran | 3 | $5 Micromount | |
| Minium | Matrix over/under 1cm. Massive. | Chah Milleh Mine, Dasht-e-Kavir, near Anarak, Iran | 3 | $7 Micromount | |
| Minyulite | Matrix over 1cm. Crystals on matrix. | Pereta Mine, Grosseto, Tuscany, Italy | 6 | $6 Micromount | |
| Minyulite | Matrix over/under 1cm. crystaline. | Richelle, Belgium | 6 | $5 Micromount | |
| Minyulite | Matrix over 1cm. Crystals on matrix. | St. John`s Quarry, Kapunda, South Australia, Australia | 51 | $5 Micromount | |
| Minyulite | Matrix over 1cm. Crystals on matrix. | wavellite. Tom's Quarry, Kapunda, South Australia, Australia | 7 | $5 Micromount | |
| Miserite TL | Matrix over 1cm. Acicular Matrix. | Magnet Cove, Arkansas, USA. | 4 | $5 Micromount | |
| Miserite TL | Matrix over 1cm. Acicular Matrix. | Magnet Cove, Arkansas, USA. | 15 | $6 Micromount | |
| Mitridatite | Matrix over 1cm. crystaline. | Palermo Mine, North Groton, New Hampshire, USA. | 3 | $3 Micromount | |
| Mitridatite | Matrix over 1cm. Crystals on matrix. | Tip Top Mine, Custer Co., South Dakota, USA. | 3 | $8 Micromount | |
| Mixite | Matrix over/under 1cm. Crystals on matrix. | Cap Garonne, Toulon, France | 4 | $5 Micromount | |
| Mixite | Matrix over 1cm. Massive. | Neubloch, Black Forest, Germany | 5 | $3 Micromount | |
| Mixite | Matrix over 1cm. Crystals on matrix. | Neubloch, Black Forest, Germany | 1 | $5 Micromount | |
| Molybdenite | Matrix under 1cm. Crystal. | Cadillac Mine, Preissac, Quebec, Canada | 4 | $5 Micromount | |
| Molybdenite | Matrix over 1cm. Massive. | Jeffrey Mine, Asbestos, Quebec, Canada | 4 | $1.5 Micromount | |
| Molybdenite | Matrix over 1cm. crystal on matrix. | Malartic Mine, Preissac, Quebec, Canada | 3 | $3 Micromount | |
| Molybdenite | Matrix over 1cm. crystal on matrix. | Poudrette Quarry, Mont St. Hilaire, Quebec, Canada | 1 | $1 Micromount | |
| Molybdenite 3r | Matrix over 1cm. Massive. | Demix Quarry, Mont St. Hilaire, Rouville Co., Quebec, Canada | 25 | $2 Micromount | |
| Molybdenite 3r | Matrix over 1cm. Massive. | Demix Quarry, Mont St. Hilaire, Rouville Co., Quebec, Canada | 1 | $2.5 Micromount | |
| Monazite-(Ce) | Matrix under 1cm. Crystal. | Herrebokas, Halden, Norway | 4 | $5 Micromount | |
| Monazite-(Ce) | Matrix over 1cm. crystal on matrix. | Parry Sound, Ontario, Canada | 56 | $3.5 Micromount | |
| Montebrasite | Matrix over 1cm. Massive. | Tin Mountain Mine, Custer Co., South Dakota, USA. | 9 | $4 Micromount | |
| Montgomeryite | Matrix over 1cm. Massive. | Milgun Station, West Australia, Australia | 2 | $3 Micromount | |
| Montgomeryite | Microscopic. Crystals. | Tip Top Mine, Custer Co., South Dakota, USA. | 2 | $5 Micromount | |
| Montgomeryite | Microscopic. Massive. | Wendover, Nevada, USA. | 3 | $2 Micromount | |
| Montmorillonite | Matrix under 1cm. Powder. | Belle Fourche, South Dakota, USA. | 28 | $1.5 Micromount | |
| Mooreite TL | Matrix over 1cm. Massive. | Sterling Hill Mine, Ogdensburg, New Jersey, USA. | 4 | $6 Micromount | |
| Mordenite | Matrix over 1cm. Massive. | Hikuai, Coromandel Peninsula, North Island, New Zealand | 4 | $3.5 Micromount | |
| Mordenite | Matrix over 1cm. Crystals on matrix. | Tirua, New Zealand | 114 | $3.5 Micromount | |
| Mottramite | Matrix over/under 1cm. Crystals on matrix. | Mammoth-St. Anthony Mine, Tiger, Arizona, USAA. | 11 | $2 Micromount | |
| Mottramite | Matrix under 1cm. Crystals on matrix. | Naica, Mexico | 4 | $1 Micromount | |
| Mottramite | Matrix under 1cm. Balls on matrix. | Tsumeb Mine, Tsumeb, Namibia, Africa | 18 | $2 Micromount | |
| Murmanite | Matrix over/under 1cm. Crystaline matrix. | lorenzenite. Mt. Flora, Chibiny Massif, Kola Peninsula, Russia | 4 | $6 Micromount | |
| Muscovite | Matrix over 1cm. crystaline. | (gieseckite). Val di Fiemme, Predazzo, Italy | 9 | $5 Micromount | |
| Muscovite | Matrix over 1cm. Crystals on matrix. | (oellacherite) Lengenbach Quarry, Binnental, Switzerland | 1 | $3.5 Micromount | |
| Muscovite | Matrix over 1cm. crystal on matrix. | (oellacherite) Lengenbach Quarry, Binnental, Switzerland | 1 | $10 Micromount | |
| Muscovite | Microscopic. Crystal. | Deloro, Ontario, Canada. | 25 | $1 Micromount | |
| Muscovite | Matrix over 1cm. Crystals on matrix. | Elsmore, Queensland, Australia | 1 | $1 Micromount | |
| Muscovite | Matrix over/under 1cm. Crystals on matrix. | Monte Somma, Italy | 13 | $1 Micromount | |
| Muscovite | Matrix over 1cm. Crystals on matrix. | Norland, Ontario, Canada | 4 | $1 Micromount | |
| Muscovite | Microscopic. Crystal. | Oka, Quebec, Canada | 27 | $1 Micromount | |
| Muscovite | Matrix over/under 1cm. crystaline. | Palermo Mine, North Groton, New Hampshire, USA. | 46 | $1 Micromount | |
| Muscovite | Matrix over 1cm. crystal on matrix. | realgar Lengenbach Quarry, Lengenbach, Binnental, Switzerland | 1 | $4 Micromount | |