Minerals identify

Know how to recognize them

Ludlamite

Phosphate mineral

Ludlamite is a rare phosphate mineral with formula: (Fe,Mn,Mg)3(PO4)2·4H2O.

It was first described in 1877 for an occurrence in Wheal Jane mine in Cornwall , England and named for English mineralogist Henry Ludlam (1824–1880).

Identification

Color of mineral

Green

Mohs scale ( mineral hardness )

3.5

The streak

Green
White

Density ( specific gravity )

1.65
1.669
1.688

Luster ( interacts light )

Vitreous
Pearly

Crystal ( diaphaneity )

Monoclinic