It is associated with other zinc ores in veins and beds in limestone and occurs in many zinc mines throughout the world. Well-crystallized, sheaflike specimens have been found in Siberia; Romania; Sardinia; Belgium; and New Jersey and Montana in the United States.

How is hemimorphite formed?

Hemimorphite most frequently occurs as the product of the oxidation of the upper parts of sphalerite bearing ore bodies, accompanied by other secondary minerals which form the so-called iron cap or gossan.

Is hemimorphite a natural stone?

Hemimorphite History

It is so unusual a behavior in crystal formation that its discoverers highlighted it. Although it's been a common stone found in the upper layers of zinc deposits for hundreds of years, hemimorphite was only identified in the 19th century.