Minerals identify

Know how to recognize them

Portlandite

Oxide mineral

Portlandite is an oxide mineral. It is the naturally occurring form of calcium hydroxide (Ca(OH)2) and the calcium analogue of brucite (Mg(OH)2).

Identification

Color of mineral

Green
White

Mohs scale ( mineral hardness )

2

Density ( specific gravity )

1.574
1.547

Luster ( interacts light )

Pearly

Crystal ( diaphaneity )

Trigonal