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

Reformed churches

... to the present time. The French refugees established French Reformed churches in the latin countries and in America. The first Reformed churches in France produced ...