Erythrite | #Geology
Formula: Co3(AsO4)2·8H2O
System: Monoclinic
Colour: Crimson to peach red, ...
Hardness: 1½ - 2½
Member of: Vivianite Group
Name: Named in 1832 by Francois Sulpice Beaudant From the Greek έρυθρος for red.
From: Bou Azzer, Tazenakht, Ouarzazate, Souss-Massa-Draâ, Morocco