Gehlenite

Gehlenite, (Ca2Al[AlSiO7]), is a sorosilicate, Al-rich endmember of the melilite complete solid solution series with akermanite. The type locality is in the Monzoni Mountains, Fassa Valley in Trentino in Italy, and is named after Adolf Ferdinand Gehlen (1775–1815) by A.J. Fuchs in 1815. ==Geological occurrence== Gehlenite is found in carbonaceou...
Found on http://en.wikipedia.org/wiki/Gehlenite

gehlenite

mineral composed of calcium aluminum silicate, Ca2Al2SiO7, one end-member of the melilite mineral series (see melilite).[1 related articles]
Found on http://www.britannica.com/eb/a-z/g/15
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