4.45 retailer Cts Top Class Natural Scapolite gemstone, 4.45 Cts Top Class Natural Scapolite gemstone official
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4.45 retailer Cts Top Class Natural Scapolite gemstone, SKUSC 50Dimensions (mm)1109 x 1012 x 623mmWeight (carats)445 caratsGemstone : Natural scapolite Treatment : Not Heated Not TreatedDescriptionThe.
SKUSC 50
Dimensions (mm)11.09 x 10.12 x 6.23mm
Weight (carats)4.45 carats
Gemstone : Natural scapolite
Treatment : Not Heated. Not Treated.
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: retailer 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