from The Century Dictionary.
- noun A borosilicate of calcium, occurring most commonly in brilliant glassy crystals, which are colorless or of a pale-green tint, white, grayish, or red; also in a white, opaque, massive form, looking like porcelain, and in radiated columnar form with botryoidal surface (the variety botryolite).
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A borosilicate of lime commonly occuring in glassy,, greenish crystals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
borosilicateof limecommonly occurring in glassy, greenish crystals, with the chemical formula Ca B Si O4(O H).
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek δατέομαι (dateomai, "I divide") + -lite; in allusion to the granular structure of a massive variety.
The element boron is present in various complex boro-silicates, such as datolite and tourmaline, the latter of which is used as a precious stone