23.27 Cts Top Class Natural Scapolite Color shift gemstone

Item Information

Dimensions (mm) 24.55 x 12.13 x 10.3mm
Weight (carats) 23.27 carats
Colors

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Gemstone  : Natural scapolite 
Shape        :  Emerald cut   
Color          :  purple pink   
Number.     :  sc58
Treatment  :  Not Heated


Description

The scapolites are a group of rock-forming silicate minerals composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate. The two endmembers are meionite and marialite. Silvialite (Ca, Na)₄Al₆Si₆O₂₄ is also a recognized member of the group. Wikipedia
Color: White, Purple, Yellow, Pink, Brown, Orange
Luster: Vitreous
Crystal system: Tetragonal crystal system
Chemical formula: (Na,Ca)₄(Al,Si)₃Si₆O₂₄ )(Cl,CO₃)
Hardness (Mohs hardness scale): 5 – 6
Transparency: Opaque, Transparent
Refractive index: 1.54 – 1.58

$930.00 USD

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Audit Information

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Pricing & Details

Auction ID 1345458
Watchers 1 watching
Viewed 117 times
Starts 13th Nov 2020 3:57am PST

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