Dolomite, Styria, Austria, Large Cabinet-Sized SpecimenApprox. Dimensions: 5. 9 in x 6 in x 3. 2 in Approx. Weight: 1687 grams Large rhombohedral crystals form penetration twins atop a bed of a thick plate of Dolomite with smaller, more typical saddle shaped crystal formations below. Chalk white in color, this Dolomite specimens larger crystals from penetration twins which create dimensionality which stands out from the flat base they stand upon. A dull luster tops the specimen while crystals on the side