Thortveitite

Thortveitite is a rare mineral consisting of scandium yttrium silicate (Sc,Y)₂Si₂O₇. It is the primary source of scandium.<ref>Template:Cite web</ref> Occurrence is in granitic pegmatites. It was named after Olaus Thortveit, a Norwegian engineer. It is grayish-green, black or gray in color.<ref>Template:Cite web</ref><ref>Template:Cite web</ref><ref>Template:Cite journal</ref><ref>Template:Cite book</ref>

A transparent gem quality example was found in 2004, and reported in The Journal of Gemmology.<ref>Template:Cite journal</ref>

See also

• List of minerals
• List of minerals named after people

References

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