Unusual Physical Properties of Rock Minerals Collection

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Our Price: $28.50 Qty: Product Code: RC141

Not all minerals will demonstrate each of the above properties. A relatively small group of minerals has one or more characteristics which may be peculiar only to that one mineral or a small group of minerals. These characteristics may go beyond the scope of those generally thought of as physical nature. Some of these characteristics are demonstrated in this group of minerals.

MINERAL:PROPERTY

• 1. Halite:Salty Taste
• 2. Calcite:Double Refraction
• 3. Magnetite:Attracts a Magnet
• 4. Magnetite var. Lodestone:Natural Magnet
• 5. Sulfur:Combustible and Scent
• 6. Mica var. Phlogopite Asterism and Transparency
• 7. Pyrolusite:Dendritic Form
• 8. Bentonite:Expands in Water
• 9. Feldspar var. microcline:Thermoluminescent
• 10. Fluorite:Flourescent
• 11. Graphite:Natural Lubricant
• 12. Bauxite:Pisolitic Structure
• 13. Quartz:Triboluminescent
• 14. Hematite:Conducts Electricity
• 15. Galena:High Specific Gravity WARNING: This product contains the mineral galena, a lead compound. Lead is known to cause cancer, birth defects or other reproductive harm. Wash hands thoroughly after handling all rocks and minerals.