Aguilarite
Ag4 SeS
Acanthite (group)
—
0
0
—
Mineral, Sulphide
Akaogiite
TiO2
Titanium dioxide
—
0
0
—
Mineral, Simple oxide
Akhtenskite
MnO2
—
—
0
0
—
Mineral, Simple oxide
Al2SiO5 (group)
—
Nesosilicate
Sillimanite , Sillimanite (subgroup) , Kyanite , Andalusite (subgroup)
0
0
—
Group
Alabandite
MnS
Galena (group)
—
0
0
—
Mineral, Sulphide
Albite
NaAlSi3 O8
Alkali feldspar , Plagioclase
—
Open
Albite specimen from Crete, Greece. Scale at bottom of image is one inch with a rule at one cm.
©
Photo by Rock Currier (via Wikimedia Commons), CC-BY 3.0
56
7
CL, CL/SEM, EDS, SXES
Mineral, Aluminosilicate
Alforsite
Ba5 (PO4 )3 Cl
Apatite (group)
—
1
0
—
Mineral, Orthophosphate , Phosphate
Alkali feldspar
(Na,K)AlSi3 O8
Feldspar (group)
Kokchetavite , Anorthoclase , Ferrisanidine , Sanidine , Rubicline , K feldspar , Albite
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
1
CL
Aluminosilicate , Subgroup
Alkali feldspar granite
—
Granite
—
0
0
—
Felsic , Igneous , Intrusive , Rock type
Allanite (group)
{A1II REEIII }{M1III M2III M3II }(Si2 O7 )(SiO4 )O(OH)
Epidote (supergroup)
Allanite-(Y) , Manganiakasakaite-(La) , Ferriallanite-(La) , Vanadoallanite-(La) , Ferriandrosite-(La) , Allanite-(Ce) , Manganiandrosite-(La) , Allanite-(Nd) , Ferriallanite-(Ce) , Vanadoandrosite-(Ce) , Manganiandrosite-(Ce) , Allanite-(La) , Ferriakasakaite-(Ce) , Dissakisite-(La) , Ferriakasakaite-(La) , Dissakisite-(Ce) , Uedaite-(Ce)
0
0
—
Group , Hydroxide , Silicate
Allanite-(Ce)
CaCe(Al2 FeII )[Si2 O7 ][SiO4 ]O(OH)
Allanite (group)
—
Open
Allanite from Tripp Mine, Cardiff Township, Haliburton Co., Ontario, Canada
©
Photo by John Sobolewski (on wikimedia.org), CC-BY 3.0
0
1
EDS
Mineral, Aluminosilicate
Allanite-(La)
CaLa(Al2 FeII )[Si2 O7 ][SiO4 ]O(OH)
Allanite (group)
—
0
0
—
Mineral, Aluminosilicate , Hydroxide
Allanite-(Nd)
CaNd(Al2 FeII )[Si2 O7 ][SiO4 ]O(OH)
Allanite (group)
—
0
0
—
Mineral, Aluminosilicate , Hydroxide
Allanite-(Y)
CaY(Al2 FeII )[Si2 O7 ][SiO4 ]O(OH)
Allanite (group)
—
0
0
—
Mineral, Aluminosilicate , Hydroxide
Allanite-Epidote
(Ca,REE)2 (Al2 FeII )[Si2 O7 ][SiO4 ]O(OH)
Epidote
—
0
0
—
Hydroxide, Aluminosilicate , Variety