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Titanite — specimen 0452, photo © NMNHS
Titanite
—
specimen 0452
Origin
East Africa
Madagascar
Data
Weight:
0.31 ct;
size:
3.98 | 3.95 | 2.72 mm;
shape:
octagon;
colour:
medium greenish yellow; very slightly greyish;
clarity:
eye clean;
cut:
excellent;
treatment:
none.
Notes
Very clean specimen; design ‘Petal’ by Glenn & Martha Vargas, excellent cut by Tan Pen.
Other specimens
More information from ‘Classification’
Titanite
Also known as
sphene
; a common accessory mineral in intermediate and
felsic
rocks,
pegmatites
, and alpine veins; in
gneisses
,
schists
, and some
skarns
(
Anthony et al., 2001—2005
).
Gemmology — gemstones
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