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Axinite-(Mg)
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Axinite-(Mg) — specimen 0378, photo © NMNHS
Axinite-(Mg)
—
specimen 0378
Origin
East Africa
Tanzania
Data
Weight:
0.23 ct;
size:
3.75 | 3.28 | 2.44 mm;
shape:
hexagon;
colour:
very light bluish violet;
clarity:
eye clean;
cut:
excellent;
treatment:
none.
Notes
Very clean specimen; design ‘Hexamixtum S 38-36’, excellent cut by Tan Pen.
Other specimens
More information from ‘Classification’
Axinite-(Mg)
Typically a mineral formed during contact metamorphism and boron metasomatism (
Anthony et al., 2001—2005
). Faceted specimens are extremely rare.
Gemmology — gemstones
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