How do I identify Thortveitite?

Thortveitite can be identified by its hardness of 6 - 7 on the Mohs scale, Greyish-green color. Look for these key characteristics when examining specimens.

What color is Thortveitite?

Thortveitite typically appears in Greyish-green, black, grey, blue, yellow, brown. Color can vary depending on impurities and formation conditions.

How hard is Thortveitite?

Thortveitite has a hardness of 6 - 7 on the Mohs scale. This gives it moderate hardness.

Thortveitite

A variety of Minerals

What is Thortveitite?

Thortveitite is a mineral consisting of scandium yttrium silicate (Sc,Y)2Si2O7. It is the primary source of scandium. Occurrence is in granitic pegmatites. It was named after Olaus Thortveit, a Norwegian engineer. It is grayish-green, black or gray in color. A transparent gem quality example was found in 2004, and reported in "The Journal of Gemmology", 2008 Volume 31. The mineral is actually a uniform mixture of oxides of silicon, scandium, and yttrium. It isn't a true compound in itself.

Thortveitite Market Value Calculator

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