Kangite is an exceedingly rare

scandium Scandium is a chemical element; it has Symbol (chemistry), symbol Sc and atomic number 21. It is a silvery-white metallic d-block, d-block element. Historically, it has been classified as a rare-earth element, together with yttrium and the lantha ...

mineral, a natural form of impure

scandium oxide Scandium(III) oxide or scandia is a inorganic compound with formula scandium, Sc2oxygen, O3. It is one of several oxides of rare earth elements with a high melting point. It is used in the preparation of other scandium compounds as well as in high ...

), with the formula . It crystallizes in the

cubic crystal system In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals. There are three main varieties o ...

diploidal class. In terms of chemistry it scandium-analogue of tistarite. Both kangite and tistarite were discovered in the

Allende meteorite The Allende meteorite is the largest carbonaceous chondrite ever found on Earth. The fireball was witnessed at 01:05 on February 8, 1969, falling over the Mexican state of Chihuahua. After it broke up in the atmosphere, an extensive search for p ...

.Mindat, Kangite, http://www.mindat.org/min-42879.htmlMindat, Yttriaite-(Y), http://www.mindat.org/min-40471.html

References

Oxide minerals Scandium minerals Cubic minerals {{oxide-mineral-stub