Calcite (“Phantom” Crystals) on Mottramite

Calcite – Ca(CO3)
Elements: Calcium, Carbon, Oxygen
Class: Carbonates
Crystal System: Hexagonal
Hardness: 3
Calcite
Talc (1)Diamond (10)
A copper coin can scratch it.
Mottramite – PbCu(VO4)(OH)
Class: Vanadates
Crystal System: Orthorhombic
Hardness: 3-3.5
Calcite
Talc (1)Diamond (10)
A copper coin can scratch it.
Origin: Tsumeb Mine, Tsumeb, Otjikoto Region – Namibia