Dims: 2.3 x 2.0 x 1.5" (5.8 x 5.1 x 3.8 cm)
Wt: 4.4 oz. (125.8 g)
Bou Azzer, Morocco
Scores of beautiful monoclinic tabular Erythrite crystals are densely packed on one face of the host rock of this specimen. These crystals reach lengths of 0.3" (8 mm) and are in moderately good condition, as most of them appear to show minor damage to edges and tips. Their form is excellent, though, with sharp edges and clean faces that possess a bright pearly-to-vitreous luster. All have the red-violet coloration that is a characteristic of this mineral, and individual blades are transparent and quite clear, though their density makes it difficult to study most of them. The host rock on which they rest is gray and rough- I cannot determine what it is made of, but when I put a tiny drop of concentrated HCl on it, the liquid instantly turned green! There is a vein of feldspar running through it, however.