1/2 Pound Smoky Quartz North Carolina 20 to 50 MM 1092F

Product Details

  • 1/2 Pound Smoky Quartz North Carolina 20 to 50 MM 1092F
  • 1092F
  • mica
  • $10.00 inc. tax

  • Units in Stock: 1

1/2 Pound Smoky Quartz North Carolina 20 to 50 MM 1092F Summary

1/2 Pound Smoky Quartz North Carolina 20 to 50 MM 1092F


The stones in the photo are the stones you will receive

Tommysrocks is a U.S.A Based Company, all Items shipped from Hastings Florida
.



 
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Mohs hardness: 7
Refractive index: 1.544-1.553

Critical angle: 40°

Specific gravity: 2.63-2.65

Cleavage: None

Fracture: Conchoidal, brittle.

Dispersion: Medium (.013)

Heat sensitivity: Low

Pleochroism: Amethyst: very weak (purple to grayish purple); Natural citrine: weak (yellow to light-yellow); Prasiolite: very weak (light-green to paler green); Rock crystal: colorless, no dichroism; Rose quartz: weak (pink to paler pink); Natural dark smoky: definite (brown to reddish-brown).

Birefringence (double refraction): Weak (.009)

Crystal structure: Hexagonal


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