Adelite

arsenate mineral

Adelite is a rare mineral. It is a calcium, magnesium, arsenate with chemical formula CaMgAsO4OH. Adelite was named from the Greek word for indistinct.

It can be blueish-gray, green, gray, yellow, or light green in color. It is made of crystals. Adelite is not radioactive.[1] It is scratched easily with apatite.

The mineral was first described in 1891 in Värmland, Sweden. It can be found in Flipistad, Sweden.

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