Aquamarine

Hardness ( Moh )

" 7.5 - 8

Crystal System

Hexagonal

Specific Gravity

2.67 - 2.71

Refractive Index

1.567 - 1.590

Birefringence

Family

Beryl

Colour(s)

aqua,blue

Cleavage

Francture Type

Conchoidal

Luster

Streak

White

Transparency

Transparent to subtranslucent

Formula

Be3Al2Si6O18

Country

Found In Afghanistan,Argentina,Australia,Austria,Bolivia,Brazil,Bulgaria,Canada,China,Czech Republic,Finland,France,Germany,Greece,India,Italy,Japan,Kazakhstan,Kenya,Madagascar,Malawi,Mexico,Mongolia,Mozambique,Myanmar,Namibia,Nepal,Nigeria,Norway,Pakistan,Poland,Portugal,Russia,Rwanda,Somaliland,South Korea,Spain,Sri Lanka,Switzerland,Tajikistan,Tanzania,UK,Ukraine,USA,Vietnam,Zambia,Zimbabwe