Minerals identify

Know how to recognize them

Hureaulite

Phosphate mineral

Hureaulite is a manganese with the formula Mn2+ 5(PO 3OH) 2(PO 4) 2·4H2O. It was discovered in 1825 and named in 1826 for the type locality, Les Hureaux, Saint-Sylvestre, Haute-Vienne , Limousin. It is sometimes written as huréaulite, but the IMA does not recommend this for English language text.

A complete series exists from lithiophilite , LiMn2+PO 4 to triphylite , LiFe2+PO 4, including hureaulite, strengite, FePO 4·2H2O, stewartite, Mn2+Fe3+ 2(OH,PO 4) 2·8H2O, and sicklerite, (LiMn2+,Fe3+)PO 4.

Identification

Mohs scale ( mineral hardness )

3.5

The streak

White

Density ( specific gravity )

1.64
1.649
1.655

Crystal ( diaphaneity )

Monoclinic