Mineral Mondays

Welcome to Mineral Mondays! Every Monday I will share a different mineral with you. I love geology and am excited to share a photo and the mineral's information with you.

To begin: Atacamite

Formula:	Cu 2 (OH) 3 Cl
System:	Orthorhombic	Colour:	Bright green, dark ...
Lustre:	Adamantine, Vitreous	Hardness:	3 - 3½
Member of:	Atacamite Group
Name:	Named after the type locality, in the Atacama Desert of northern Chile.
Polymorph of:	Anatacamite, Botallackite, Clinoatacamite

It is a secondary copper mineral formed through the oxidation of other copper minerals, especially in arid, saline conditions and may alter to malachite and chrysocolla, creating pseudomorphs.

Kisses,

K

(Information and photos found via Cochise, Mindat.org, and Wikipedia)