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Avdoninite

#52388
SOLD
Avdoninite from Tolbachik Volcano, Kamchatka, Russia - 52388
Avdoninite from Tolbachik Volcano, Kamchatka, Russia - 52388

Avdoninite

#52388
Availability
Sold
Size
3 x 1.5 x 1.5 cm - Thumbnail 
Formula
K2Cu5Cl8(OH)4·H2O (RRUFF)
Locality
Tolbachik Volcano, Kamchatka, Russia
Tagged
copper

Glassy bright emerald green crystals in vuggy scoria.  This is a good, rich specimen. Avdoninte is only found in five localities worldwide.

A relatively new mineral from 2013 described by Dr. Igor Pekov and others in 2005. The specimen is from Pekov and can be considered "Author's Material".

The exact locality is: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Krai, Russia

Type Locality, XRD Confirmed, EDS Confirmed, Author's Material

Avdoninite

Formula
K2Cu5Cl8(OH)4·H2O 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Druse, Tabular 
Luster
Vitreous (Glassy) 
Color
green 
Streak
pale green 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
3 

Data courtesy of Webmineral.

Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material
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