-40%
.49 Carats Natural Madagascar Blue Apatite Faceted Gemstone Oval BAT10
$ 5.14
- Description
- Size Guide
Description
Primary Stone / ApatiteGemstone: Apatite
Gemstone Family: Apatite
Gemstone Count: 1
Carat Weight: 0.49
Gemstone Shape: Oval
Primary Color: blue
Color: Blue
Treatment: Heated
Country of Origin: Madagascar
Composition: Natural
Dimensions: 5.97 x 4.11 x 2.88 mm
Apatite Gemological Properties:
Chemical Formula: Ca5(PO4)3(F,OH,CI) - Basic Fluoro- and Chloro-Calcium
Crystal Structure: Hexagonal, Columnar, Thick Tabular
Color: Colorless, pink, yellow, green, blue, violet
Hardness: 5 (Defining Mineral)
Refractive Index: 1.628 - 1.649
Density: 3.16 - 3.23
Cleavage: Indiscernible, Conchoidal Fracture
Transparency: Transparent to translucent
Double Refraction / Birefringence: -0.002 to -0.006
Luster: Vitreous
Fluorescence: Yellow A.: Purple to Pink
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