-40%
1.15 Carats Natural Set of Twelve Blue Iolite Faceted Gemstone 2.5 mm Square
1.15 Carats Natural Set of Twelve Blue Iolite Faceted Gemstone 2.5 mm Square

1.15 Carats Natural Set of Twelve Blue Iolite Faceted Gemstone 2.5 mm Square

$ 5.67

Availability: 100 in stock
  • Restocking Fee: No
  • Condition: New with tags
  • Treatment: No Treatment
  • Shape: Square
  • Color: Blue
  • Return shipping will be paid by: Seller
  • All returns accepted: Returns Accepted
  • Total Carat Weight (TCW): 1.15
  • Item must be returned within: 30 Days
  • Natural/Lab-Created: Natural
  • Refund will be given as: Money Back

    Description

    Primary Stone / Iolite
    Gemstone: Iolite
    Gemstone Family: Gem
    Gemstone Count: 12
    Total Carat Weight: 1.15
    Gemstone Shape: Square
    Primary Color: purple
    Color: Purple
    Treatment: No Known Treatment
    Country of Origin: India
    Composition: Natural
    Dimensions: 2.50 x 2.50 mm
    Iolite gemology
    Species: cordierite
    Color: Blue, violet, brownish
    Chemical composition: Mg2Al4Si5O18 magnesium aluminum silicate
    Crystal
    system: Orthorhombic, short prisms
    Hardness: 7-7.5 (Mohs scale)
    Specific gravity: 2.58 - 2.66
    Refractive index: 1.542 - 1.578
    Birefringence: -0.008 to - 0.012
    Optical character:
    Color of streak: White
    Absorption spectrum: 645,593, 585, 535, 492, 456, 436, 426
    Fluorescence: None
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