21677 - Top Rare Beautiful Yellow Wulfenite Crystal on Dolomite and Galena Morocco Spinosaurus teeth United States (35: Alaska

United States (35: Alaska

Specimen prepared excellently

Phylogeny: The descriptors of Siroccopteryx placed this genus in the family Anhangueridae

as well as in coal beds and as a replacement mineral in fossils

Fantastic and very rare teeth of this North African sauropod species

21677 - Top Rare Beautiful Yellow Wulfenite Crystal on Dolomite and Galena Morocco Spinosaurus teeth United States (35: AlaskaWulfenite is a lead molybdate mineral with the formula PbMoO4. It can be most often found as thin tabular crystals with a bright orange red to yellow orange color, sometimes brown, although the color can be highly variable. In its yellow form it is sometimes called "yellow lead ore". Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. The term is also used for a sedimentary carbonate rock composed