Metazeunerite
Cu(UO2 )2 (AsO4 )2 ·8H2 O
Meta-autunite (group)
—
0
0
—
Hydrated , Mineral, Uranyl , Arsenate
Mg-Fe-Mn amphibole
An (X2 )(ZII 5-m ZIII m )(Si8-( n+ m) Al(n+m) O22 (OH)2
w(OH, F, Cl)-dominant amphibole
Cummingtonite-Grunerite (series) , Suenoite root name group , Cummingtonite , Grunerite , Anthophyllite root name group
0
0
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Group , Silicate
Mica
AZ2-3 (X, Si)4 O10 (O, F, OH)2
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Muscovite , Margarite , Polylithionite , White mica , Paragonite , Zinnwaldite , Celadonite , Biotite , Dark mica , Tainiolite , Muscovite-Paragonite (series) , Lepidolite
Open
Muscovite specimen from Divino das Laranjeiras, Doce valley, Minas Gerais, Southeast Region, Brazil. Size: 6 x 5.3 x 3.9 cm
©
2010 Rob Lavinsky, iRocks.com, CC-BY-SA-3.0
1
0
—
Group , Hydroxide , Silicate
Microcline
KAlSi3 O8
K feldspar
Amazonite
Open
Microcline (var. amazonite) specimen from Crystal Peak, Park Co., CO, USA
©
Photo by Chip Clark, via Smithsonian National Museum of Natural History
4
0
—
Mineral, Aluminosilicate
Microlite
(Na,Ca)2 Ta2 O6 (O,OH,F)
Microlite (group)
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Open
Microlite from Amelia, Amelia County, Virginia, USA. Size: 4.6 x 3.3 x 2.9 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
5
0
—
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Microlite (group)
A2-m Ta2 X6-w Z1-n
Pyrochlore (supergroup)
Oxynatromicrolite , Hydroxykenomicrolite , Fluorcalciomicrolite , Fluornatromicrolite , Oxycalciomicrolite , Hydrokenomicrolite , Oxystibiomicrolite , Kenoplumbomicrolite , Hydroxycalciomicrolite , Oxystannomicrolite , Oxybismutomicrolite , Microlite
Open
Microlite from Amelia, Amelia County, Virginia, USA. Size: 4.6 x 3.3 x 2.9 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
0
—
Group
Milarite
KCa2 (Be2 AlSi12 )O30 ·H2 O
Osumilite (group)
—
Open
Milarite specimen from Venero 1 Quarry, Cadalso de los Vidrios, Madrid, Spain
©
Photo by Christian Rewitzer (on wikimedia.org), CC-BY-SA 3.0
6
0
—
Mineral, Silicate , Hydrated
Mimetite
Pb5 (AsO4 )3 Cl
Apatite (group)
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Open
Specimen of Mimetite, from Elura mine, 43 km north-north-west of Cobar, New South Wales, Australia. Specimen M 39007, Museums Victoria.
©
Photo by John Bosworth, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
0
0
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Arsenate , Mineral, Halide
Minasgeraisite-(Y)
CaBe2 Y2 Si2 O10
Gadolinite (subgroup)
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0
0
—
Mineral, Silicate
Minrecordite
CaZn(CO3 )2
Dolomite (group)
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0
0
—
Mineral, Carbonate
Mirabilite
Na2 (SO4 )·10H2 O
—
—
Open
Specimen of Mirabilite (máng xiāo, Glauber's salt)
©
Photo by Dummy (zh.wikipedia.org), CC-BY-SA 3.0
1
0
—
Mineral, Hydrated , Sulphate
Mn metal (Fe)
Mn(Fe)
—
—
0
0
—
Metal, Alloy
Mogánite
SiO2
Silica
—
Open
Specimen of mogánite from the Barranco del Medio Almud, Mogán (Gran Canaria) Spain. Miguel Calvo Collection.
©
Photo by Joaquim Callen (Bergminer on wikimedia.org), CC-BY-SA 4.0
3
1
CL
Mineral, Simple oxide
Moissanite
SiC
Silicon carbide
—
Open
Crystals of synthetic moissanite
©
Photo by Brillar CO., LTD (https://brillar-shop.jp/pages/moissanite), CC-BY-SA 4.0
6
0
—
Mineral, Carbide
Molybdenite
MoS2
—
—
2
0
—
Mineral, Sulphide