Hambergite

Borate mineral

Hambergite (Be2BO3OH) is a beryllium borate mineral named after Swedish explorer and mineralogist Axel Hamberg (1863–1933). The mineral occurs as white or colorless orthorhombic crystals

Identification

Color of mineral

Grey

Yellow

Mohs scale ( mineral hardness )

7.5

Density ( specific gravity )

1.554

1.587

1.628

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Orthorhombic