4.15 Cts Top retailer Class Natural Scapolite gemstone, 4.15 Cts Top Class Natural Scapolite gemstone authentic
$63.84
SAVE 30% OFF
$44.69
$0 today, followed by 3 monthly payments of $25.17, interest free. Read More
4.15 Cts Top retailer Class Natural Scapolite gemstone, SKUSC 40Dimensions (mm)1718 x 727 x 438mmWeight (carats)415 caratsGemstone : Natural scapolite Treatment :.
SKUSC 40
Dimensions (mm)17.18 x 7.27 x 4.38mm
Weight (carats)4.15 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: retailer 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