4.8" "Sandwich" Wulfenite Crystal Cluster - Ojuela Mine, Mexico

This is a very interesting cluster of tabular, zoned wulfenite crystals from the famous Ojuela Mine of Mexico. They formed from a rock matrix and many 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. There are scattered calcite crystals throughout this specimen and the underside has a small aggregation of yellow, botryoidal mimetite.

Comes with an acrylic display stand.

Wulfenite 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 the fact that they are lead-based, washing your hands following handling is strongly suggested.

Mimetite is a lead chloro-arsenate mineral with the chemical formula of Pb5(AsO4)3Cl. Depending on conditions, during formation/replacement, arsenate radicals (As04) can be replaced by a phosphate (PO4) or vanadate (VO4) radical. This alteration is what leads to the formation of pyromorphite and vanadinite, hence why they're typically found associated with each other. Regularly ranging between red and yellow in color, mimetite can occur in a variety of structures, from small prismatic clusters and crusts, to incredible hexagonal crystals both thick and thin.
Wulfenite & Mimetite
Ojuela Mine, Mexico
4.8 x 3.7"