Entries by DonghaiCrystal

Copper (Cu) Ore

Copper (Cu) ore is a naturally occurring mineral deposit that contains copper in varying concentrations. It is an important industrial metal that has been used by human civilizations for thousands […]

Diaspore (Zultanite)

Diaspore, also known as Zultanite or Csarite, is a unique and relatively rare mineral that belongs to the oxide mineral group. It is valued for its remarkable color-changing properties and […]

Chrysocolla

Chrysocolla is a mineral that belongs to the silicate mineral group. It is often found in association with other secondary copper minerals, such as malachite, azurite, and cuprite. Chrysocolla is […]

Psilomelane

Psilomelane is a barium manganese oxide mineral, typically presenting as black or dark gray with a submetallic to dull luster. It often forms botryoidal or stalactitic masses, making it visually […]