Mineral Samples. #1 Fluorite Luster: Nonmetallic Color: Green and Purple Steak: Clear/White Cleavage Hardness: 4 Nonsilicate: CaF 2.

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Presentation transcript:

Mineral Samples

#1 Fluorite Luster: Nonmetallic Color: Green and Purple Steak: Clear/White Cleavage Hardness: 4 Nonsilicate: CaF 2

#2 Quartz Luster: Nonmetallic Color: Any Steak: Clear Fracture Hardness: 7 Silicate SiO 2 Comes in almost any color

#3 Pyrite Luster: Metallic Color: Gold Streak: Black Cleavage Hardness: FeS 2 Nonsilicate Fools Gold

# 4 Halite Luster: Nonmetallic Streak: White/clear Cleavage Hardness: 2.5 Nonsilicate NaCl Salt

# 5 Sphalerite Luster: Metallic Color: Brownish yellow Streak: Pale yellow Cleavage Hardness: Nonsilicate ZnS

# 6 Calcite Luster: Nonmetallic Color: White to yellowish white Cleavage Hardness: 3 Nonsilicate CaCO 3 Bubbles with HCL

# 7 Talc Luster: Nonmetallic Color: Pearly white Streak: White Fracture and Cleavage Hardness: 1 Silicate Mg 3 Si 4 O 10 (OH) 2 Soapy Feel

# 8 Hematite Luster: Nonmetallic Color: Black/Rust Streak: Rust Brown Fracture Hardness: Nonsilicate Fe 2 O 3

# 9 Hornblende Luster: Nonmetallic Color: Black Streak: Black Cleavage Hardness 5-6 Silicate Striations

#10 Olivine Luster: Nonmetallic Color: Green Streak: Clear Fracture Hardness: Silicate (Fe, Mg) 2 SiO 4 Dull luster-green

#11 Dolomite Luster: Nonmetallic Color: Pale Pink Streak: White Cleavage Hardness: Nonsiliacte CaMg(CO 3 ) 2 Rice-Like Cleavage

# 12 Gypsum Luster: Nonmetallic Color: Clear to White Streak: White Cleavage Hardness: 2 Nonsilicate CaSO 4 2H 2 O Can scratch with fingernail

# 13 Garnet Luster: Nonmetallic Color: Wine Red Streak: Clear Fracture Hardness: Silicate Gemstone

#14 Graphite Luster: Metallic Color: Dark Gray Streak: Gray Fracture Hardness: 1-2 Nonsilicate C Pencil Lead

#15 Microcline Orthoclase Luster: Nonmetallic Color: Pink Streak: White Cleavage Hardness: 6 Silicate KALSi 3 O 2

#16 Magnetite Luster: Metallic Color: Black Streak: Black Fracture Hardness: 6 Nonsilicate FeO 4 Magnetic

#17 Corundum Luster: Nonmetallic Color: Gray, Black, and Pink Streak: Clear Fracture Hardness: 9 Nonsilicate Al 3 O 3 Rubies and Sapphires