Spinel Facts

Spinel Facts

by

Spinel  Properties

Chemical CompositionIt is Magnesium Aluminum Oxide having the chemical formula MgAl2O4.
ColoursRed, blue, green, orange, mauve, violet, yellow, purple, brown and black.
StreakWhite or grayish white.
Refractive Index1.71 – 1.76 (approx)
Specific Gravity3.58-3.73
LusterVitreous.
Solid StateTransparent to translucent and sometimes nearly opaque.
Crystal SystemIsometric – Cubic Hexagonal crystal system.
Hardness8 Mohs.
ClevageNone
FracturesUneven to conchoidal.
Bi-refringenceNone
LuminescenceSometimes fluorescent.
TenacityBrittle
Synthetic AvailabilitySynthetic stones are available.
EnhancementNot enhanced.
SourceMyanmar (Burma), Afghanistan, Madagascar, Pakistan, Australia, Italy, Sri Lanka (Ceylon), Brazil, Tanzania, Sweden, Turkey, Russia and United States.
PrecautionsOnly general gemstone precautions required.
Share On Facebook
Share On Twitter
Share On Google Plus
Share On Linkedin
Share On Pinterest
Contact us
Interest Items: