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Spessartine
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Spessartine — specimen 0652, photo © NMNHS
Spessartine
—
specimen 0652
Origin
Southern Africa
Namibia
Data
Weight:
0.64 ct;
size:
4.85 | 4.83 | 3.39 mm;
shape:
octagon;
colour:
medium orangey red; strong;
clarity:
slightly included;
cut:
excellent;
treatment:
none.
Notes
Slightly included specimen; design ‘Petal’ by Glenn & Martha Vargas, excellent cut by Tan Pen.
Other specimens
More information from ‘Classification’
Spessartine
Common in granite
pegmatites
,
granites
, and
rhyolites
. Formed in some
skarns
and metasomatic manganese-rich rocks adjacent to igneous
intrusions
or in regionally metasomatised areas (
Anthony et al., 2001—2005
).
Gemmology — gemstones
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