How do I identify Overite?

Overite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Light apple-green to colourless; colourless in transmitted light. color. Look for these key characteristics when examining specimens.

What color is Overite?

Overite typically appears in Light apple-green to colourless; colourless in transmitted light.. Color can vary depending on impurities and formation conditions.

Overite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.

How to Identify Overite | Properties, Meaning & Uses

What is Overite?

Segelerite is a complex phosphate mineral with formula CaMgFeOH(PO4)2·H2O. It occurs in pegmatites and forms striking green or chartreuse crystals. It was discovered in 1974 in the Black Hills of South Dakota by an amateur mineralogist from New York, Curt G. Segeler (1901–1989), after whom it is named. It is closely related to overite which is virtually the same mineral except that the iron is replaced by aluminium. Another mineral in the same series is juonniite wherein the iron is also replaced, this time by scandium.

Overite Market Value Calculator

Estimate the market value of Overite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Overite Localities Map

See where Overite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.