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62 CTS 40 x 22 x 9 MM Labradorite Cabochon

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Overview

  • Material: rainbow labradorite
  • Ships worldwide from United States
  • Feedback: 1908 reviews
  • Favorited by: 12 people

This shop accepts Etsy gift cards

  • Material: rainbow labradorite
  • Ships worldwide from United States
  • Favorited by: 12 people

This shop accepts Etsy gift cards

Ask a question

THIS IS A RAINBOW LABRADORITE CABOCHON

Labradorite ((Ca,Na)(Al,Si)4O8), a feldspar mineral, is an intermediate to calcic member of the plagioclase series. It is usually defined as having "%An" (anorthite) between 50 and 70. The specific gravity ranges from 2.68 to 2.72. The streak is white, like most silicates. The refractive index ranges from 1.559 to 1.573. Twinning is common. As with all plagioclase members the crystal system is triclinic and three directions of cleavage are present two of which form nearly right angle prisms. It occurs as clear, white to gray, blocky to lath shaped grains in common mafic igneous rocks such as basalt and gabbro, as well as in anorthosites

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  • Accepts Etsy gift cards