Oakstone
is a variety of Barite
(Baryte) named
for its resemblance to oak wood due to its wood-like
patterns resembling the concentric rings of a tree when
cut. Oakstone consists of concentric bands of massive, microcrystalline
Barite exhibiting an aesthetic variety of brown shades and patterns
reminiscent of woodgrain. Cut and polished stones often show chatoyance. Technically
speaking, Oakstone is a pseudostalactitic banded variety of crystalline Barite. Oakstone was
originally reported from Arbor Low, Middleton-and-Smerrill, Derbyshire, England, UK
around 1870.
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