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Afghanite Crystals in Matrix

Product No.: a01-025

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Afghanite Crystals in Matrix

Mineral:	Afghanite
Chemical Formula:	(Na,Ca,K)₈(Si,Al)₁₂O₂₄(SO₄,Cl,CO₃)3·(H 2 O)
Size:	31,2 x 23,8 x 24,9 mm
Weight:	77,44 ct or 15,49 g
Transparence:	translucent
Quantity:	1
Origin:	Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan

Three afghanite crystals in matrix one has sharp defined prism faces and slightly round pyramidal termination. The two others are not terminated but with good prismatic shape. All three disclosing a light to deep blue coloration.

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