Dolomite, Magnesite

No, this is not cuprite! - EarthWonders Newsletter #7

specimen
Dolomite, Magnesite
SpeciesSize
Comments
Details
ColorsCream
Origin
Serra das Eguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil
SizeMedium
Dimensions9.5 x 5.5 x 5.3 cm
Species
Description
An unusual combination piece with robust, twinned dolomite crystals (the crystals looking like smushed barrels atop the rhombs), on top of stark white magnesite rhombohedra. The dendritic covering on some magnesite faces looks crystallized, even if micros, and could be another species.