SWJ0137 - Top Rare Natural Zincite Orange Crystal from Poland Prionocheilus It is a tooth of

It is a tooth of the lower jaw of a cow shark

Landing et al

Origin or pseudonym: High Atlas Mountains

Walliserops tridens

Dysplanus centrotus (Dalman 1827)

SWJ0137 - Top Rare Natural Zincite Orange Crystal from Poland Prionocheilus It is a tooth ofNatural crystals of Zincite are rare. Natural Zincite crystals are composed of Zinc manganese oxide and occur in granular masses in metamorphic rocks. Zincites hardness is rated at 4 on the Mohs scale of mineral hardness. Zincite color ranges from orange yellow to deep red. Zincite is transparent to almost opaque with a resinous luster. Zincite is found in Namibia, Poland, Spain, Australia, and in the USA. Zincite is the mineral form of zinc oxide