Hand Samples Flashcards

Quartz
SiO2
trigonal
Framework Silicates
Silica Group

Apatite
Ca5(PO4)3(F,Cl,OH)
Hexagonal
Phosphate Group
Calcite
CaCO3
Trigonal
Calcite Group
Carbonates

Topaz
Al2(SiO4)(F,OH)2
Orthorhombic
Silicate Group
Orthosilicate

Forsterite
Mg2SiO4
Orthorhombic
Orthosilicate
Olivine Group

Fayalite
Fe2SiO4
Orthorhombic
Orthosilicate
Olivine Group

Staurolite
(Fe2+,Mg,Zn)1.5-2Al9(SiO4)4O6(OH,O)2
Monoclinic
Silicate Group
Nesosilicates

Almandine
Fe3Al2Si3O12
Isometric
Garnet Group
Nesosilicate

Pyrope
Mg3Al2Si3O12
Garnet Group
Orthosilicate
Isometric

Spessartine
Mn3Al2Si3O12
Garnet Group
Orthosilicate
Isometric

Andradite
(Can also be green, yellow, and purple)
Ca3Fe2Si3O12
Garnet Group
Nesosilicate
Isometric

Grossular
Ca3Al2Si3O12
Garent Group
Nesosilicate
Isometric

Epidote
{Ca2}{Al2Fe3+}(Si2O7)O(OH)
Monoclinic
Clinozoisite Group
Sorosilicates

Zircon
ZrSiO4
Zircon Group
Tetragonal
Orthosilicate

Andalusite
Al2SiO5
Orthorhombic
Silicate Group
Nesosilicate

Kyanite
Al2SiO5
Triclinic
Silica Group
Nesosilicate

Sillimanite
Al2SiO5
Orthorhombic
Nesosilicate
Silica Group

Titanite
(Can also be green or yellow)
Al2SiO5
Orthorhombic
Nesosilicate
Silica Group

Beryl
(can basically be any color in hexagonal crystal)
Be3Al2(Si6O18)
Hexagonal
Beryl Group
Cyclosilicate

Cordierite
(can also be yellow or red)
(Mg,Fe)2Al3(AlSi5O18)
Orthorhombic
Silica Group
Cyclosilicate

Schorl
Na(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Trigonal
Tourmaline Group
Cyclosilicate

Elbaite
(can be a variety of other colors)
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Trigonal
Tourmaline Group
Cyclosilicate

Enstatite
MgSiO3
Pyroxene Group
Orthorhombic
Orthosilicate

Diopside
CaMgSi2O6
Pyroxene Group
Chain Silicate
Monoclinic

Hedenbergite
CaFeSi2O6
Pyroxene Group
Chain Silicate
Monoclinic

Augite
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Pyroxene Group
Monoclinic
Chain Silicate

Aegirine
NaFeSi2O6
Pyroxene Group
Chain Silicates
Monoclinic

Jadeite [Jade]
NaAlSi2O6
Pyroxene Group
Chain Silicates
Monoclinic
Wollastonite
CaSiO3
Wollastonite Group
Chain Silicates
Triclinic

Tremolite
(can also be green or pink)
{Ca2}{Mg5}(Si8O22)(OH)2
Monoclinic
Amphibole Group
Chain Silicate

Actinolite
{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Monoclinic
Amphibole Group
Chain Silicate

Hornblende
Ca2(Me, Fe, Al)5(Al,Si)8O22(OH)2
Amphibole Group
Chain Silicate
Monoclinic

Glaucophane
[Na2][Mg3Al2]Si8O22(OH)2
Monoclinic
Amphibole Group
Chain Silicates

Monazite
(Ce, La)PO4
Monazite Group
Phosphates
Monoclinic

Muscovite
KAl3Si3O10(OH)2
Mica Group
Sheet Silicates
Monoclinic

Annite
KFe2+3(AlSi3O10)(OH)2
Mica Group
Monoclinic
Sheet Silicates

Phlogopite
KMg3(AlSi3O10)(OH,F)2
Mica Group
Sheet Silicates
Monoclinic

Chlorite
(may be green, teal, or black)
(Mg, Fe)3(Si,Al)4O10(OH)2(Mg,Fe)3(OH)6
Phyllosilicate
Monoclinic
Chlorite Group

Chrysotile
Mg3(Si2O5)(OH)4
Phyllosilicates
Monoclinic
Kaolinite Group

Talc
Mg3Si4O10(OH)2
Triclinic
Silica Group
Phyllosilicate

Prehnite
Ca2Al2Si3O10(OH)2
Orthorhombic
Phyllosilicate
Silica Group

Orthoclase
KAlSi3O8
Monoclinic
Tectosilicate
Feldspar Group

Microcline
(can also be green and pink)
KAlSi3O8
Triclinic
Tectosilicate
Feldspar Group

Sanidine
KAlSi3O8
Monoclinic
Tectosilicate
Feldspar Group

Albite
NaAlSi3O8
Triclinic
Feldspar Group
Tectosilicates

Anorthite
CaAl2Si2O8
Triclinic
Feldspar Group
Tectosilicate

Leucite
K(AlSi2O6)
Tetragonal
Zeolite Group
Tectosilicate

Nepheline
(Na, K)AlSiO4
Hexagonal
Nepheline Group
Tectosilicate
Analcime
Na2(Al2Si4O12) 2H2O
Triclinic
Zeolite Group
Tectosilicate

Stilbite
NaCa4[Al9Si27O72] nH2O
Monoclinic
Zeolite Group
Tectosilicate