Non-silicate Minerals

Question 0

Graphite

Answer 0

C

Hexagonal

Question 1

Copper

Answer 1

Cu

Fcc

Question 2

Sulfur

Answer 2

S

Orthorhombic

Question 3

Rutile

Answer 3

TiO₂
Oxide
Tetragonal

Question 4

Ilmenite

Answer 4

FeTiO₃
Oxide
Trigonal

Question 5

Hematite

Answer 5

Fe₂O₃
Oxide
Trigonal

Question 6

Magnetite

Answer 6

Fe₃O₄
Fe²⁺Fe³⁺₂O₄
Oxide, Spinel group
Isometric hexaoctohedral

Question 7

Chromite

Answer 7

FeCr₂O₄
May be some substitution of Mg
Oxide, Spinel group
Isometric

Question 8

Psilomelane

Answer 8

(Ba,H₂O)₂Mn₅O₁₀ or Ba(Mn²⁺)(Mn⁴⁺)₈O₁₆(OH)₄
Oxide
Monoclinic

Question 9

Pyrolusite

Answer 9

MnO₂
Oxide
Tetragonal

Question 10

Zincite

Answer 10

ZnO
Oxide
Hexagonal

Question 11

Cassiterite

Answer 11

SnO₂
Oxide
Tetragonal

Question 12

Corundum

Answer 12

Al₂O₃
Oxide
Trigonal

Question 13

Columbite

Answer 13

Fe²⁺Nb₂O₆
Can be Mn or Nb substitution
Oxide
Orthorhombic

Question 14

Manganite

Answer 14

MnO(OH)
Hydroxide
Monoclinic

Question 15

Diaspore

Answer 15

Alpha AlO(OH)
Hydroxide
Orthorhombic

Question 16

Goethite

Answer 16

Alpha FeO(OH)
Hydroxide
Orthorhombic

Question 17

Limonite

Answer 17

FeO(OH)•nH₂O
Hydroxide
Amorphous

Question 18

Gibbsite

Answer 18

Al(OH)₃
Hydroxide
Monoclinic or triclinic

Question 19

Halite

Answer 19

NaCl
Halide
Cubic

Question 20

Sylvite

Answer 20

KCl
Halide
Cubic

Question 21

Fluorite

Answer 21

CaF₂
Halide
Cubic

Question 22

Calcite

Answer 22

CaCO₃
Carbonate
Trigonal

Question 23

Dolomite

Answer 23

Ca(Fe, Mg, Mn)(CO₃)₂
Carbonate
Trigonal

Question 24

Magnesite

Answer 24

MgCO₃
Carbonate
Trigonal

Question 25

Smithsonite

Answer 25

ZnCO₃
Carbonate
Trigonal

Question 26

Siderite

Answer 26

FeCO₃
Carbonate
Trigonal

Question 27

Malachite

Answer 27

Cu₂CO₃(OH)₂
Carbonate
Monoclinic

Question 28

Azurite

Answer 28

Cu₃(CO₃)₂(OH)₂
Carbonate
Monoclinic

Question 29

Rhodochrosite

Answer 29

MnCO₃
Carbonate
Trigonal

Question 30

Cerussite

Answer 30

PbCO₃
Carbonate
Orthorhombic