MINERALS 1

Question 1

Augite

Answer 1

Ca, Fe, Mg, Al pyroxene

Vitr/Res. Green. White str. Hard:6. C:2, Tabular

Question 2

Orthoclase

K-Feldspar

Answer 2

KAlSi3O8

Vitr. Tan. White. 6. 2. Blocky

Question 3

Albite

Answer 3

NaAlSi3O8

Question 4

Muscovite

Answer 4

K aluminosilicate w/ OH

Vit/Pearl. Silver. White. 2.5. 1. Lamellar

Question 5

5

Olivine

Answer 5

(Mg, Fe)2 SiO4

Vitr. Green. White. 6.5-7. Poor. Massive/Granular

Question 6

6

Hornblende

Answer 6

Ca, Fe, Mg, Al amphibole w/ OH

Vitr/Dull. Black. White. 5. 2. Bladed/Prism

Question 7

7

Amethyst

Answer 7

SiO2

Vit. Purple. White. 7. None. 6 side prism

Question 8

Milky Qz

Answer 8

SiO2

Vit. White. White. 7. None. 6 Prism

Question 9

Biotite

Answer 9

K, Mg, Fe, aluminosilicate w/ OH

Greasy. Black/Dark Brown. White. 2.5-3. 1. Lamellar

Question 10

Wollastonite

Answer 10

CaSiO3

Vitr.

Question 11

Lepidolite

Answer 11

Lethiumd-bearing Mica

Vit. Pink/Purple. White. 2.5-3. 1. Drusy

Question 12

Fluorite

Answer 12

CaF2

Vit. White str. 4. 4. Nodular

Question 13

Schorl (Tourmaline)

Answer 13

Li-bearing aluminosilicate w/ OH

Vit. Black. White. 7-7.5. None. Prism

Question 14

Apatite

Answer 14

CaPO4 F/Cl

Red&Green

Question 15

Chalcopyrite

Answer 15

CuFeS2

Metal. Gold/Purple. Black. 3.5-4. None. Dispheroid

Question 16

Galena

Answer 16

PbS

Metal. Lead Grey. 2.5. 3. Tabular

Question 17

Gypsum

Answer 17

CaSO4 2H2O

Vitr. White str. 1.5-2. 2. Prism

Question 18

Chalcedony Qz

Answer 18

SiO2

Vitr. Foggy. White. 7. None.

Question 19

Halite

Answer 19

NaCl

Vitr. White. White. 2-2.5. 3 (cube).

Question 20

Talc

Answer 20

Mg silicate w OH

waxy. white/some blues/greens. 1. 1. Foliated/Fibrous

Question 21

Aragonite

Answer 21

CaCO3

Vitr.Silk

Question 22

Sylvite

Answer 22

KCl

Vitr. Red. White. 2. 3. Cubes

Question 23

Labradorite

Answer 23

(Ca, Na)(Al, Si)4 O8

Pearl. Dark Grey. Whitre. 6-6.5. 2. Tabular

Question 24

Barite

Answer 24

BaSO4

Vitr. 3-3.5

Question 25

Pyrite

Answer 25

FeS2

Question 26

Garnet

Answer 26

Ca, Fe, Mg, Mn aluminosilicate

Question 27

Molybdenite

Answer 27

MoS2

Question 28

Calcite

Answer 28

CaCO3

Question 29

Beryl

Answer 29

Be aluminosilicate

Question 30

Rubellite

Answer 30

Li-bearing aluminosilicate w OH

Question 31

Spodumene

Answer 31

Li-bearing aluminosilicate

Question 32

Siderite

Answer 32

FeCO3

Question 33

Staurolite

Answer 33

Fe aluminosilicate with OH

Question 34

Kyanite

Answer 34

Al2SiO5

Question 35

Copper

Answer 35

Cu

Question 36

Hematite

Answer 36

Fe2O3

Question 37

Rhodocrosite

Answer 37

MnCO3

Question 38

Corundum

Answer 38

Al2O3

Question 39

Kaolinite

Answer 39

Al2Si2O5(OH)4

Question 40

Chlorite

Answer 40

Fe, Mg aluminosilicate with (OH)

Question 41

Zircon

Answer 41

ZrSiO4

hardness 7.5

Question 42

Epidote

Answer 42

Ca, Fe, Aluminosilicate with (OH)

stubby green. olivine would be more granular

Question 43

Sphalerite

Answer 43

(Zn, Fe)S

Question 44

Sillimanite

Answer 44

Al2SiO5

Question 45

45.

Andalusite (aka Chiastolite)

Answer 45

Al2SiO5

Question 46

46.

Bronzite (aka Enstatite)

Answer 46

(Mg,Fe)SiO3

Question 47

47

Rhodonite

Answer 47

MnSiO3

Question 48

48

Nepheline

Answer 48

Na Alluminosilicate

Question 49

49

Tremolite

Answer 49

Ca, Mg, Fe amphibole w OH

Question 50

50

Dolomite

Answer 50

CaMg(CO3)2

Question 51

51

Chrysocolla

Answer 51

Cu silicate with OH

Question 52

52

Magnetite

Answer 52

Fe3O4

Question 53

53

Pyrophyllite

Answer 53

Hydrous silicate

Question 54

54

Ferro-Actinolite

Answer 54

Ca, Fe, Mg Amphibole w (OH)