Encyclopedia > Axinite

Article Content

Axinite

Axinite is a blue, violet-blue, brownish or reddish-brown mineral composed of calcium aluminum boro-silicate. Mohs hardness is 6.5-7. Refractive index is 1.68-1.723. Specific gravity is 3.26-3.41. Crystal structure is triclinic.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Father Damien

... 1864. On May 10, 1873, at his request, he was permitted to travel to Molokai to help the lepers who had virtually nothing to keep them warm or fed. After twelve years of ...