Spinel
Hardness ( Moh )
" 8
Crystal System
CubicSpecific Gravity
3.6
Refractive Index
1.712 - 1.735 (isometric)
Birefringence
Family
Spinel
Colour(s)
red, pink, blue, lavender/violet, dark green, brown, black, colourless
Cleavage
Francture Type
Conchoidal
Luster
Streak
White
Transparency
Transparent to Opaque
Formula
MgAl2O4
Country
Found In Afghanistan,Albania,Algeria,Angola,Antarctica,Argentina,Atlantic Ocean,Australia,Austria,Azerbaijan,Bangladesh,Belgium,Bolivia,Bosnia and Herzegovina,Botswana,Brazil,Bulgaria,Burkina Faso,Cambodia,Cameroon,Canada,Cape Verde,Central African Republic,China,Comoros,Croatia,Czech Republic,Denmark,Dominican Republic,DR Congo,East Timor,Egypt,Federated States of Micronesia,Fiji,Finland,France,Germany,Greece,Greenland,Hungary,Iceland,India,Indian Ocean,Indonesia,Iran,Iraq,Ireland,Israel,Italy,Ivory Coast,Japan,Jordan,Kazakhstan,Kenya,Kyrgyzstan,Lesotho,Libya,Lithuania,Madagascar,Malawi,Mali,Mauritania,Mauritius,Mexico,Middle East,Mongolia,Morocco,Mozambique,Myanmar,Namibia,Netherlands,New Zealand,Niger,Nigeria,North Africa,North Korea,North Macedonia,Northwest Africa Meteorites,Norway,Oman,Pacific Ocean,Pakistan,Palestine,Papua New Guinea,Peru,Philippines,Poland,Portugal,Romania,Russia,Saint Vincent and the Grenadines,Saudi Arabia,Serbia,Slovakia,Slovenia,Solomon Islands,Somalia,South Africa,South Korea,South Sudan,Spain,Sri Lanka,Sudan,Suriname,Sweden,Switzerland,Syria,Taiwan,Tajikistan,Tanzania,Thailand,Turkey,Uganda,UK,Ukraine,United Arab Emirates,USA,Uzbekistan,Venezuela,Vietnam,Yemen,Zimbabwe,Outer Space,The Moon