1. HCCS-NORTHWEST COLLEGE PHYSICAL GEOLOGY 1403 MINERALS

2. GALENA PbS LEAD ORE METALLIC LUSTER CUBIC CLEAVAGE GREY BLACK STREAK SOFTER GLASS HIGH SPECIFIC GRAVITY

3. LIMONITE Fe 2 O 3 IRON ORE NONMETALLIC LUSTER FRACTURE BROWN STREAK SOFTER GLASS

4. HEMATITE Fe 2 O 3 IRON ORE METALLIC LUSTER FRACTURE RED-BROWN STREAK HARDER GLASS

5. MAGNETITE Fe 3 O 4 IRON ORE METALLIC LUSTER FRACTURE BLACK STREAK SLIGHTLY HARDER GLASS MAGNETIC

6. PYRITE FeS 2 SULFUR COMP METALLIC LUSTER FRACTURE BLACK STREAK HARDER GLASS

7. FLUORITE CaF 2 FLUX NONMETALLIC LUSTER CLEAVAGE PURPLE COLOR MOHS HARDNESS - 4

8. GYPSUM CaSO 4 SHEETROCK NONMETALLIC LUSTER PERFECT CLEAVAGE WHITE - TRANSLUCENT MOHS HARDNESS - 2

9. HALITE NaCl TABLE SALT NONMETALLIC LUSTER PERFECT CLEAVAGE WHITE - TRANSPARENT SOFTER GLASS

10. TALC Mg SILICATE NONMETALLIC LUSTER POOR CLEAVAGE WHITE COLOR GREASY FEEL MOHS HARDNESS - 1

11. QUARTZ SiO 2 SILICA OXIDE NONMETALLIC LUSTER CONCHOIDAL FRACTURE WHITE, PINK, PURPLE MOHS HARDNESS - 7

12. K-FELDSPAR & PLAGIOCLASE SILICATE MINERALS NONMETALLIC LUSTER GOOD CLEAVAGE K-FELDSPAR - PINK PLAGIOCLASE - WHITE MOHS HARDNESS - 6

13. BIOTITE & MUSCOVITE MICA SILICATE FAMILY NONMETALLIC LUSTER PERFECT CLEAVAGE BIOTITE - GLASSY BLACK MUSCOVITE - TRANSLUCENT SOFTER GLASS

14. CALCITE CaCO 3 LIME NONMETALLIC LUSTER PERFECT CLEAVAGE WHITE, YELLOW, TRANSPARENT MOHS HARDNESS - 3

15. CLAY Al SILICATE NONMETALLIC LUSTER MICRO CLEAVAGE ABSORBS ORGANICS EARTHY ODOR SOFTER GLASS

16. ASBESTOS Mg SILICATE NONMETALLIC LUSTER FIBROUS CLEAVAGE LUNG CANCER SOFTER GLASS