Weight : 1.76 Cts
Dimension : 8.0 x 6.8 x 3.9 mm
Color : Purple
Treatment : Unheated
Shape : Oval
Clarity : VS
Origin : Sri Lanka 🇱🇰
• CSL – Colored Stone Laboratory Certified
( GIA Alumina Association Member )
• CSL Memo No : C5FF6425142D
Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is actually a large group of minerals. Gahnite, hercynite, ceylonite, picotite, and galaxite are all part of the spinel group.
This oxide mineral is a Cubic crystal system with 7.5–8.0 hardness according to the Mohs hardness scale. Spinels Specific Gravity is depending on the composition of chemicals such as Zn-rich spinel can be as high as 4.40, otherwise, it averages from 3.58 to 3.61. Spinel has many colors such as red, pink, blue, lavender/violet, dark green, brown, black, colorless, gray. Spinel is a single reflective Non-pleochroic gemstone and Anomalous in some blue zincian varieties. It can be found as Opaque, Translucent or transparent. Spinel RI value is n = 1.719
Some red and pink spinels have fluorescence under UV Light. also, Some spinels have magnetism Weak to medium. Natural spinels typically are not enhanced. Spinels are found in Madagascar, Sri Lanka, Vietnam, Myanmar, Tanzania, Kenya, Nigeria, Afghanistan, Albania, Algeria, Atlantic Ocean, Australia, Belgium, Bolivia, Brazil, Cambodia, Canada. Spinel has long been found in the gemstone-bearing gravel of Sri Lanka. Since 2000 in several locations around the world have been discovered spinels with unusual vivid colors.