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Datolite
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Just The Facts |
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Datolite is formed from
Calcium Boron Silicate Hydroxide and is white, colorless, yellowish,
brown, green and (rarely) orange, reddish or gray. Datolite belongs to the
Datolite/Gadolinite minerals group (named after its two most common
members). Members of the group include Datolite, Bakerite, Gadolinite,
Hingganite and a few other rare minerals. The minerals contain alternating
borate and silicate that are connected to each other in a sheet like
structure. |
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Datolite occurs as
discrete, vitreous crystals and as massive nodules. The massive variety
actually has a cauliflower-like surface and is valued by collectors for
its beauty as a lapidary material. Massive Datolite, colored by copper and
other minerals, is found up to 10 inches in diameter. Such nodules range
from white to red, reddish-brown, and orange (the most valuable), and are
usually cut as cabochons or sliced and polished for inlay work. Pink
Datolite is also called “Sugar Stone”. |
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Datolite is rarely found as a
facetted gem. However, fine facet grade Datolite has been found in U.S.A.,
Canada and Africa. Gems over 20 Carats are extremely rare. |
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