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Starts with G
Start with P
Strart with C
Start with S
Start with L
100
Color-shiny, grayish white Luster-dark matalic Density-5.323g/m3 Hardness-6.0
What is germanium
100
Color- brass yellow Streak-greenish black to brownish black Luster-metallic Cleavage- breaks with a conchoidal fracture Hardness- 6 to 6.5
What is pyrite
100
Color-gray white Density-10.7 Hardness-4-4.5 ( between fluorite and apatite) Luster- metallic
What is cabriite
100
Color- blue gray Hardness-2.5 fingernail Luster-metallic
What is sabatierite
100
Cleavage- perfect Color- colorless, gray, grayish white, light green Density- 2.69 Fracture- uneven Hardness- 7 Luster-vitreous (glass) Streak- white
What is labradorite
200
Cleavage-perfect cubic Color-silver to lead gray Hardness-6.0 Luster-bright metallic Density-7.4 Radioactivity-none not radioactive
What is galena
200
Color-brownish yellow, colorless, green, gray white, yellow Density- 3.67-3.9, average=3.78 Hardness-6-orthoclase Luster-vitreous(glassy) Streak-white
What is periclase
200
Color-usually colorless, also white, grey, pink, blue, violet Luster-greasy, vitreous Streak-white Hardness-6.5-7 Fracture- conchoidal
What is cesium
200
Color- white Density-2.68 Hardness- 2 Luster- earthy (dull) Streak- white
What is sabieite
200
Cleavage-perfect Color-greenish white, gray white, yellow, light yellow Density-6.92 Fracture- flexible Hardness-2-2.5 Luster-adamantine Streak- white
What is lanarkite
300
Color-clear, colorless, white, gray, yellow, red, brown, Streak- white Luster-vitreouse, silky, sugary Cleavage-perfect
What is gypsum
300
Color-white Density-30-150 kg/m3
What is perlite
300
Color- tin white Density-8.6 Hardness- 1-2 between talc and cypsum Luster-metallic
What is cadmium
300
Cleavage- perfect Color- colorless, white, light yellow Density- 3.36 Luster-earthy(dull) Streak- white
What is sabinaite
300
Cleavage- none Color-colorless, violet, greenish,gray, yellowish Density- 3.83 Fracture-brittle Hardness- 3.5-4 Luster-vitreous Streak- white
What is langbeinite
400
Color-typically red, but can be orange, Green, yellow, purple, black, or brow garnets are extremely rare Streak-colorless Luster-vitreous Cleavage- none
What is garnet
400
Color-white, blue, grey, greenbrown, or black Density-90%
What is pumice
400
Cleavage-good Color-colorless, pale yellow Density-3.28 Fracture-brittle Hardness- 4-5 Streak-white
What is cafetite
400
Cleavage- imperfect Color- gray, dark gray, tin white Density-7.1 Fracture-brittle Hardness-4-5 Luster-metallic Streak-grayish black
What is safflorite
400
Cleavage-perfect Color- colorless, white Density- 1.7 Hardness- 2.5- fingernail Luster-vitreous(dull) Streak- white
What is lansfordite
500
Color- black gray to brownish gray Luster- metallic to dull Hardness-1-2 Streak-black Density- 2.09-2.23, average=2.16
What is graphite
500
Color-brownish, brownish red, orange red, red Density-4-4.03, average=4.01 Hardness-8-topaz Streak-white
What is painite
500
Cleavage-imperfect Color-black, brownish,yellowish brown Density-5.69 Fracture-brittle Hardness-5-6 Streak-reddish brown
What is samarskite
500
Cleavage-good Color-colorless Density-2.76 Fracture-sectile Hardness- 2.5 fingernail Luster-vitreous(glassy) Streak-white
What is lanthanite