SIMPLE (Properties)

Question 1

Distinguishing features/Alias of Macedonite

Answer 1

Crystalline grains(< 0.2mm) of irregular shape

Question 2

Chemical formula: PbTiO3
Crystal System: Tetragonal

Answer 2

Macedonite

Question 3

Chemical formula: FeO
Crystal System: Isometric

Answer 3

Wüstite

Question 4

Distinguishing features/Alias of Bromellite

Answer 4

Color: white
Hardness: 9

Question 5

Chemical formula: FeTiO3
Crystal System: Trigonal

Answer 5

Ilmenite

Question 6

Chemical formula: UO2
Crystal System: Isometric

Answer 6

Uraninite

Question 7

Distinguishing features/Alias of Cuprite

Answer 7

Color: deep red almost black due to its high refractive index

Question 8

Chemical formula: Cu2O
Crystal System: Isometric

Answer 8

Cuprite

Question 9

Chemical formula: Fe2O3
Crystal System: Trigonal

Answer 9

Hematite

Question 10

Distinguishing features/Alias of Geikielite

Answer 10

Color: black
Luster: sub-metallic

Question 11

Chemical formula: MnO2
Crystal System: Tetragonal

Answer 11

Pyrolusite

Question 12

Distinguishing features/Alias of Plattnerite

Answer 12

Color: brown to black
Luster: adamantine

Question 13

Chemical formula: CaTiO3
Crystal System: Orthorhombic

Answer 13

Perovskite

Question 14

Distinguishing features/Alias of Zincite

Answer 14

Color: vibrant reddish-orange

Question 15

Distinguishing features/Alias of Periclase

Answer 15

Cubic crystal structure

Question 16

Chemical formula: MgTiO3
Crystal System: Trigonal

Answer 16

Geikielite

Question 17

Distinguishing features/Alias of Perovskite

Answer 17

Cubic crystal structure with well-defined faces

Question 18

Chemical formula: TiO2
Crystal System: Tetragonal

Answer 18

Rutile

Question 19

Distinguishing features/Alias of Pyrophanite

Answer 19

Color: reddish-brown to black
Luster: sub-metallic to metallic

Question 20

Distinguishing features/Alias of Ilmenite

Answer 20

Color: black
Luster: metallic

Question 21

Distinguishing features/Alias of Corundum

Answer 21

Hardness: 9
“Emery”

Question 22

Chemical formula: MnTiO3
Crystal System: Trigonal

Answer 22

Pyrophanite

Question 23

Distinguishing features/Alias of Hematite

Answer 23

Streak: reddish-brown

Question 24

Chemical formula: H2O
Crystal System: Isometric

Answer 24

Ice

Question 25

Distinguishing features/Alias of Wüstite

Answer 25

Luster: Opaque to translucent metallic

Question 26

Distinguishing features/Alias of Cassiterite

Answer 26

Color: brown to black color
Luster: adamantine

Question 27

Distinguishing features/Alias of Manganosite

Answer 27

Color: Emerald-green

Question 28

Chemical formula: SnO2
Crystal System: Tetragonal

Answer 28

Cassiterite

Question 29

Distinguishing features/Alias of Uraninite

Answer 29

Color: black, and radioactive property

Question 30

Chemical formula: MnO
Crystal System: Isometric

Answer 30

Manganosite

Question 31

Distinguishing features/Alias of Ice

Answer 31

Color: colorless or white

Question 32

Distinguishing features/Alias of Rutile

Answer 32

Needle-like or prismatic crystals
“Titania; Kenya Gem”

Question 33

Distinguishing features/Alias of Pyrolusite

Answer 33

Color: black to dark-gray color
Luster: metallic to dull
“Wad”

Question 34

Chemical formula: Al2O3
Crystal System: Trigonal

Answer 34

Corundum

Question 35

Chemical formula: MgO
Crystal System: Isometric

Answer 35

Periclase

Question 36

Chemical formula: BeO
Crystal System: Hexagonal

Answer 36

Bromellite

Question 37

Chemical formula: PbO2
Crystal System: Tetragonal

Answer 37

Plattnerite

Question 38

Chemical formula: ZnO
Crystal System: Hexagonal

Answer 38

Zincite