Ametrine

Ametrine is a variety of quartz that displays bands of both amethyst purple and citrine yellow.

• Color: Purple, Yellow
• Streak: White
• Luster: vitreous (glass-like)
  
• Cleavage: None
  
• Refractive index: 1.54-1.55
  
• Mohs Hardness Scale: 7
  
• Specific Gravity: 2.6-2.7
  
• Crystal Structure: hexagonal
  
• Transparency: Transparent

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