Fornacite and iranite natural mineral from singer mine good springs district spring Mts Clark Co Nevada USA
Size-
5.3cm x 3.9cm x 1.6cm
Weight-
61g
You will receive the item in the photo
Fornacite-
It is a rare lead copper chromate arsenate hydroxide mineral. It is the arsenate analogue of vauquelinite,.it forms green to yellow prismatic or platy crystals.
Crystal system- Monoclinic
Mineral class- Sulfates
Rock formation- secondary mineral formed via the oxidation of hydrothermal lead,copper and zinc ore deposits,heavily condition by arid climates.
Hardness- 2.5 on the MOHs scale
Iranite-
It is a highly unique lead copper chromate silicate mineral. It behaves chemically as both silicate and a chromate. It typically presents as safffon-yellow or brownish-orange micro crystals.
Crystal system- Triclinic
Mineral class- Sulfates
Rock formation- Secondary mineral formed as an oxidation product of hydrothermal lead-bearing veins.
Hardness- 3 on the MOHs scale
