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Rocks and M inerals

Rocks and M inerals. By D avid. Sapphire. Hardnes : Moh´s scale hardness 9 Color: pure blue, yellow or green. Is the same as corundum It’s composed of aluminum and oxigen . It’s formed in an enviorment free of silicon. Emerald. Hardness: 7.5-8 Color: purple and green

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Rocks and M inerals

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  1. Rocks and Minerals ByDavid

  2. Sapphire • Hardnes: Moh´s scale hardness 9 • Color: pure blue, yellow or green. • Is the same as corundum • It’s composed of aluminum and oxigen. • It’s formed in an enviorment free of silicon

  3. Emerald • Hardness: 7.5-8 • Color: purple and green • Transparency: transparent to translucent

  4. Wulfenite • Hardness : 2.5 • Color : Yellow, orange and red • Transparency: transparent to translucent

  5. Crocoite Hardness: 2.5 Colors: orange or red Transparency: transparent to translucent

  6. Platinum • Hardness: 4.5 • Color: gray • Transparency: opaque

  7. Gold • Hardness: 3 • Color: golden • Transparency: opaque

  8. Jade • Color: green and more colors. • Hardness: 6.5-7 • Transparency: opaque

  9. Diamond • Hardness: 10 • Color: white to black, colorless, yellow, pink, red, blue or brown. • Transparency: transparent to opaque

  10. Iron • Hardness: 7.9 • Color: gray and black • Transparency: opaque

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