AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Russia > Kaolinite and Serpentine pseudomorph after B-Hydrogarnet (Achtarandite)

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Kaolinite and Serpentine pseudomorph after B-Hydrogarnet (Achtarandite) from riverbank at confluence Vilyui (Wilui) River and Akhtaragda River, near Chernyshevsk, Sakha, Siberia, Russia (Type Locality for Ahtarandite)

 
Kaolinite and Serpentine pseudomorph after B-Hydrogarnet (Achtarandite) from riverbank at confluence Vilyui (Wilui) River and Akhtaragda River, near Chernyshevsk, Sakha, Siberia, Russia (Type Locality for Ahtarandite)

DESCRIPTION:No. 15505
Mineral:Kaolinite and Serpentine pseudomorph after B-Hydrogarnet (Achtarandite)
Locality:riverbank at confluence Vilyui (Wilui) River and Akhtaragda River, near Chernyshevsk, Sakha, Siberia, Russia (Type Locality for Ahtarandite)
Description:Large creme-colored kaolinite pseudomorph after helvite (often mislabeled as Achtarandite) with no matrix attached. Good, sharp definition of the original crystal. Complete and fully crystallized on all sides - a floater. Ex. A. Stevenson collection #837
Overall Size:23x20x20 mm
Crystals:20 mm
Status: Sold - Posted here for reference only
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