4.45 Cts Top Class Natural Scapolite gemstone

Item Information

Dimensions (mm) 11.78 x 9.7 x 6.78mm
Weight (carats) 4.45 carats
Colors

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Gemstone  : Natural scapolite 
Shape        : oval     
Color          :  yellow     



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

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18 bids placed so far

$28 benfield
$27 twodogmom
$26 benfield
$25 twodogmom
$24 benfield
$23 twodogmom
$22 benfield
$21 twodogmom
$20 benfield
$17 twodogmom
$16 benfield
$15 twodogmom
$14 benfield
$13 twodogmom
$12 mattbarclaymd
$6 mattbarclaymd
$5 ougemman
$1 ougemman
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Audit Information

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1488830
Watchers 1 watching
Viewed 116 times
Starts 26th May 2021 12:53pm PDT
Ends 29th May 2021 12:53pm PDT

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