This is a very interesting, small cluster of tabular, zoned wulfenite crystals from the famous Ojuela Mine of Mexico. They formed from a limonitic matrix and most of the crystals are in excellent condition. These unique crystals which have earned the nickname "Sandwich Wulfenite" are a fairly new find, and there is a limited quantity on the market.
is a lead based, molybdate mineral with a chemical formula Pb(MoO4). It forms as a secondary mineral in the oxidation zones of hydrothermal lead deposits, with coloring ranging anywhere between yellow to bright orange and red, and occasionally brown. Typically forming as tabular, stubby or pyramidal crystals, this unique mineral can be both brilliantly transparent and opaque.
While these crystals are safe to hold, due to their being lead based, washing your hands following handling is strongly suggested.