Minerals identify

Know how to recognize them

Gaylussite

Carbonate mineral

Gaylussite is a carbonate mineral , a hydrated sodium calcium carbonate, formula Na2Ca(CO3)2·5H2O. It occurs as translucent, vitreous white to grey to yellow monoclinic prismatic crystals. It is an unstable mineral which dehydrates in dry air and decomposes in water.

Identification

Color of mineral

White
Yellow
Grey

Mohs scale ( mineral hardness )

2.5

The streak

White

Density ( specific gravity )

1.444
1.516
1.523

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Monoclinic