Hemimorphite

Hardness ( Moh )

" 5

Crystal System

Orthorhombic

Specific Gravity

3.45

Refractive Index

1.614 - 1.636

Birefringence

Family

Colour(s)

White, blue, greenish

Cleavage

Francture Type

Uneven to Conchoidal

Luster

Streak

White

Transparency

Transparent to translucent

Formula

Zn4Si2O7(OH)2·H2O

Country

Found In Algeria,Angola,Argentina,Australia,Austria,Belgium,Bolivia,Botswana,Brazil,Bulgaria,Canada,Chile,China,Czech Republic,DR Congo,Egypt,Finland,France,Germany,Greece,Greenland,Guatemala,Hungary,India,Iran,Ireland,Italy,Japan,Kazakhstan,Mexico,Morocco,Namibia,North Korea,Norway,Peru,Poland,Portugal,Republic of the Congo,Romania,Russia,Saudi Arabia,Slovakia,Slovenia,South Africa,South Korea,Soviet Union (1922-1991),Spain,Sweden,Switzerland,Tajikistan,Thailand,Tunisia,Turkey,UK,USA,Vietnam,Yemen,Zambia,Zimbabwe