from The Century Dictionary and Cyclopedia
- n. Same as staurolite. Also granatite.
Sorry, no etymologies found.
Our driver tried without success to procure for us some of the little double crystals, intersecting each other at right angles, called "pierre de croix" — by mineralogists grenatite — found in the Coatdry, a small affluent of the Aven, washed out of the mica slaty rocks in which they abound.