Masuyite Pb(UO2 )3 O3 (OH)2 ·3H2 O
Minerals containing OH , Minerals containing H2O —
Open
Masuyite (red spherical aggregates) and becquerelite (yellow) with fourmarierite (dark red/umber), on uraninite matrix, from Shinkolobwe, Katanga, Democratic Republic of Congo
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
4
0
PL
Hydroxide , Mineral, Uranyl , Hydrated
Maucherite Ni11 As8
—
—
1
0
0
—
Mineral, Arsenide
Meionite Ca4 Al6 Si6 O24 (CO3 )
Scapolite (group) , Minerals containing CO3 —
Open
Meionite (scapolite) crystals in a quartz matrix, from Bolton Lime Quarries, Bolton, Worcester Co., MA, USA
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
9
2
Reflectance
Mineral, Aluminosilicate , Carbonate
Meliphanite Ca4 (Na,Ca)4 Be4 AlSi7 O24 (F,O)4
—
—
Open
Meliphanite specimen from Langesundsfjorden, Larvik, Vestfold, Norway
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
22
0
IL, PL, PL/XL
Mineral, Aluminosilicate
Mercury sulphide HgS
—
Hypercinnabar , Cinnabar
Open
2009 JJ Harrison (https://www.jjharrison.com.au/), CC-BY-SA-3.0
1
0
1
SXES
Sulphide , Compound
Merrillite Ca9 NaMg(PO4 )7
Minerals containing PO4 , Merrillite (subgroup) —
1
0
0
—
Mineral, Phosphate , Orthophosphate
Merwinite Ca3 Mg(SiO4 )2
Minerals containing SiO4 —
Open
Image of specimen 'Merwinite NMNH 120933' (Smithsonian Institution - National Gem Collection) from Old Commercial Quarry, Crestmore, Riverside Co., CA, USA. Weight: 4.71 ct
Unknown photographer, Smithsonian Institution, Public Domain
0
1
0
PL
Mineral, Silicate
Mesodyalite Na15 Ca6 Fe3 Zr3 Si(Si25 O73 )(O,OH,H2 O)3 (Cl,OH)2
—
—
1
0
0
—
Hydroxide , Hydrated , Silicate , Halide
Mesolite Na2 Ca2 (Si9 Al6 )O30 ·8H2 O
Minerals containing H2O —
Open
Image of specimen 'Mesolite NMNH 146882-00' (Smithsonian Institution) from Pune, Maharashtra, India
Photo by Chip Clark, Smithsonian Institution, Public Domain
0
1
0
PL
Mineral, Hydrated , Aluminosilicate
Meta-autunite Ca(UO2 )2 (PO4 )2 ·6H2 O
Minerals containing PO4 , Meta-autunite (group) , Minerals containing H2O —
Open
Specimen of meta-autunite, from Les Ruaux mine, St Symphorien-de-Marmagne, Montcenis, Burgundy, France. Specimen M 27680, Museums Victoria.
Photo by Frank Coffa, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
0
12
0
PL
Mineral, Orthophosphate , Hydrated , Uranyl , Phosphate
Metanatroautunite Na(UO2 )(PO4 )·3H2 O
Minerals containing PO4 , Meta-autunite (group) , Minerals containing H2O —
Open
Metanatroautunite specimen from granite quarry, 10 km south-south-west of Lake Boga, Victoria, AU. Specimen M 47385, Museums Victoria.
Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
0
9
0
PL
Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Mica A Z 2-3 (X , Si)4 O10 (O, F, OH)2 Clay Dark mica , White mica , Margarite , Muscovite-Paragonite (series) , Lepidolite , Polylithionite , Celadonite , Illite-Smectite 11.5A , Tainiolite , Paragonite , Illite-Smectite 12.0A , Glauconite , Biotite , Muscovite , Zinnwaldite
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
0
1
0
Reflectance
Hydroxide , Group , 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
28
10
1
Reflectance
Mineral, Aluminosilicate
Microlite (Na,Ca)2 Ta2 O6 (O,OH,F)
Microlite (group) —
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
5
0
PL
—
Milarite KCa2 (Be2 AlSi12 )O30 ·H2 O
Osumilite (group) , Minerals containing H2O —
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
0
6
0
PL, PL/XL
Mineral, Silicate , Hydrated
