1. Mineral Samples

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

3. #2 Quartz Luster: Nonmetallic Color: Any Steak: Clear Fracture Hardness: 7 Silicate SiO 2 Comes in almost any color

4. #3 Pyrite Luster: Metallic Color: Gold Streak: Black Cleavage Hardness: 6-6.5 FeS 2 Nonsilicate Fools Gold

5. # 4 Halite Luster: Nonmetallic Streak: White/clear Cleavage Hardness: 2.5 Nonsilicate NaCl Salt

6. # 5 Sphalerite Luster: Metallic Color: Brownish yellow Streak: Pale yellow Cleavage Hardness: 3.5-4 Nonsilicate ZnS

7. # 6 Calcite Luster: Nonmetallic Color: White to yellowish white Cleavage Hardness: 3 Nonsilicate CaCO 3 Bubbles with HCL

8. # 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

9. # 8 Hematite Luster: Nonmetallic Color: Black/Rust Streak: Rust Brown Fracture Hardness: 5.5-6.5 Nonsilicate Fe 2 O 3

10. # 9 Hornblende Luster: Nonmetallic Color: Black Streak: Black Cleavage Hardness 5-6 Silicate Striations

11. #10 Olivine Luster: Nonmetallic Color: Green Streak: Clear Fracture Hardness: 6.5-7 Silicate (Fe, Mg) 2 SiO 4 Dull luster-green

12. #11 Dolomite Luster: Nonmetallic Color: Pale Pink Streak: White Cleavage Hardness: 3.5-4 Nonsiliacte CaMg(CO 3 ) 2 Rice-Like Cleavage

13. # 12 Gypsum Luster: Nonmetallic Color: Clear to White Streak: White Cleavage Hardness: 2 Nonsilicate CaSO 4 2H 2 O Can scratch with fingernail

14. # 13 Garnet Luster: Nonmetallic Color: Wine Red Streak: Clear Fracture Hardness: 6.5-7.5 Silicate Gemstone

15. #14 Graphite Luster: Metallic Color: Dark Gray Streak: Gray Fracture Hardness: 1-2 Nonsilicate C Pencil Lead

16. #15 Microcline Orthoclase Luster: Nonmetallic Color: Pink Streak: White Cleavage Hardness: 6 Silicate KALSi 3 O 2

17. #16 Magnetite Luster: Metallic Color: Black Streak: Black Fracture Hardness: 6 Nonsilicate FeO 4 Magnetic

18. #17 Corundum Luster: Nonmetallic Color: Gray, Black, and Pink Streak: Clear Fracture Hardness: 9 Nonsilicate Al 3 O 3 Rubies and Sapphires