SAPPHIRE

• COMPOSITION: Corundum
• COLOR: Blue, Yellow, Green, Black, Violet, White, Orange
• STREAK: Colorless
• HARDNESS: Nine
• LUSTER: Vitreous and Adamantine
  • CLEAVAGE: Not discernible because of crystal development.
• OTHER EXAMPLES: Ultralite, Star Topaz, Blue Alexandrite
• SHAPE: Cubic
• USES: Jewelry
BYE: Kristie-Lee Reed
 

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