Anglesite PbSO4
Lead sulphate , Baryte (group) , Minerals containing SO4 —
Open
Image of a specimen of Anglesite (M 28566, Museums Victoria), from Broken Hill, New South Wales, Australia
Photograph by Frank Coffa, Museums Victoria, CC-BY
9
8
2
CL/SEM, SXES
Mineral, Sulphate
Anhydrite CaSO4
Calcium sulphate , Minerals containing SO4 —
Open
Anhydrite specimen from Naica Mine, Chihuahua, Mexico. Photographed at the Harvard Museum of Natural History
Photo by Alcinoe (via wWikimedia Commons), Public Domain
1
177
1
CL
Mineral, Sulphate
Ankerite Ca(FeII ,Mg)(CO3 )2
Dolomite (group) , Minerals containing CO3 —
10
0
0
—
Carbonate , Mineral
Anorthite CaAl2 Si2 O8
Plagioclase —
Open
Anorthite specimen from the type locality at Somma-Vesuvius Complex, Naples Province, Campania, Italy. Size: 6.9 x 4.1 x 3.8 cm
2010 Rob Lavinsky, iRocks.com, CC-BY-SA-3.0
0
25
0
CL/OM, IR, PLE, Unknown
Mineral, Aluminosilicate
Anorthoclase (Na,K)AlSi3 O8
Alkali feldspar —
Open
Specimen of anorthoclase, from Mount Franklin, 9 km north of Daylesford, Victoria, Australia. Specimen M 24369.1, Museums Victoria
Photo by William D Birch, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
4
0
0
—
Aluminosilicate , Variety
Anthophyllite ☐Mg2 Mg5 Si8 O22 (OH)2
Anthophyllite root name group , Minerals containing OH —
Open
Anthophyllite specimen from Kopparberg, Ljusnarsberg, Västmanland, Sweden. Size: 47x43x30 mm
2010 Didier Descouen (via Wikimedia Commons), CC-BY-SA-3.0
0
5
0
PL
Mineral, Silicate , Hydroxide
Anthophyllite root name group ◻{X 2 }{Z 5 }(Si8 O22 )(OH)2 , X and Z both Mg dominant
Mg-Fe-Mn amphibole Proto-ferro-anthophyllite , Ferro-anthophyllite , Anthophyllite , Proto-anthophyllite , Anthophyllite (var. fibrous)
0
5
0
PL
Silicate , Group , Hydroxide
Antigorite Mg3 Si2 O5 (OH)4
Minerals containing OH , Serpentine (subgroup) —
Open
Specimen of antigorite, from Lord Brassey Mine, Heazlewood district, Tasmania, Australia. Size: 4.3 x 2.8cm.
Photo by John Sobolewski (JSS), via Wikimedia Commons, CC-BY-3.0
1
0
0
—
Mineral, Silicate , Hydroxide
Antimony Sb
—
—
Open
Antimony specimen from the Monarch Antimony mine, Gravelotte, Murchison Range, Limpopo Province, South Africa. Size: 3.2 x 2.6 x 2.2 cm
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
13
2
SXES
Mineral , Metal , Element
Apatite (Ca,Mn)5 (PO4 )3 (OH,F,Cl), Ca5 (PO4 )3 (OH,F,Cl)
Apatite (group) Collophane , Hydroxylapatite , Chlorapatite , Fluorapatite
Open
Doubly-terminated fluorapatite crystal in calcite, from Yates mine, Otter Lake, Pontiac RCM, Outaouais, Québec, Canada
Photo by Didier Descouens, CC-SA-4.0
10
351
15
CL, CL/SEM, EDS, Reflectance, SXES
Orthophosphate , Phosphate, Informal
Apatite (group) —
—
Johnbaumite , Turneaureite , Pieczkaite , Hydroxylpyromorphite , Stronadelphite , Svabite , Fluorpyromorphite , Apatite , Alforsite , Fluorsigaiite , Vanadinite , Mimetite , Pyromorphite
0
368
15
CL, CL/SEM, EDS, Reflectance, SXES
Group
Apophyllite AB 4 [Si8 O22 ]X ·8H2 O, A =K,Na,NH4 ,Cs, B =Ca,Sr, X =F,OH—
Fluorapophyllite-(K) , Fluorapophyllite-(NH4) , Hydroxyapophyllite-(K) , Fluorapophyllite-(Na) , Hydroxymcglassonite-(K) , Fluorapophyllite-(Cs)
Open
Photo by Photolitherland (via Wikimedia Commons), CC-BY-SA-3.0
0
17
3
PL/Laser
Silicate , Hydrated , Group
Aragonite CaCO3
Calcium carbonate , Aragonite (group) , Minerals containing CO3 —
Open
Aragonite specimen from Mine de Salgigne, Filon Coroluna, Aude, France
2010 Didier Descouens (via Wikimedia Commons), CC-BY-SA-3.0
10
22
1
PL/Laser
Carbonate , Mineral
Aragonite (group) X CO3 , X =Ca,Pb,Sr,Ba—
Witherite , Strontianite , Cerussite , Aragonite
0
94
4
CL/SEM, PL/Laser, SXES
Carbonate , Group
Arctite Ba(Ca7 Na5 )(PO4 )4 (PO4 )2 F3
Minerals containing PO4 —
Open
White glassy granular crystals of arctite from Vuonnemiok River Valley, Kola, Russian Federation
Photograph by David Hospital, CC-BY-SA 3.0
0
8
0
PL, PL/XL
Mineral, Phosphate , Orthophosphate
