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Sogdianite

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PPM1092038

Sogdianite

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Description
Locality: 
Washington Pass, Okanogan County, Washington, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.5 × 0.7 × 1.1 cm
Description

Superb, well-formed crystal of the extremely rare mineral sogdianite on minor albite and microcline matrix from Washington Pass, Okanogan County, Washington USA.

This is from a small NEW find made last summer, with extensive microprobe and XRD analysis confirming a "best of species" find for this very rare potassium zirconium lithium silicate mineral.

A copy of the analysis will be sent to the buyer upon request.

Very few crystals this good on matrix were found!

Rare!!

Mineral Data
What's on the rock

Sogdianite

Formula: 
K(□,Na)2Li3(Zr,Fe,Ti)2[Si12O30]
Strunz: 
9.CM.05
Crystal System: 
Hexagonal
Hardness: 
7.0
Type Locality: 
Darai-Pioz Glacier (Dara-i-Pioz; Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Region of Republican Subordination, Tajikistan

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4.) Persson Rare Minerals reserves the right not to ship items to a small number of countries where unfortunately shipping from the United States is not currently reliable or recommended (e.g., Russian Federation).