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Percylite & Paratacamite

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WND811631

Percylite & Paratacamite

Rare Mineral

Description Tabs

Description
Locality: 
Caracoles, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 2.2 × 1.4 cm
Description

A beautiful specimen of this rare mineral combination: apparently a strange admixture of boleite & pseudoboleite that is probably soon to be disallowed as a species name. The percylite is showing intense blue cubes accompanied by multifaced, deep green and transparent paratacamite. The rest of the specimen is a "surprise box"..... While I was taking photos I examined the piece more closely under the microscope. There are many species that I have no idea about. I think a good opportunity. I still sent samples for analysis..........

Mineral Data
What's on the rock

Percylite

Mixture Of: 

Boleite

Formula: 
KPb26Ag9Cu24(OH)48Cl62
Strunz: 
3.DB.15
Hardness: 
3.0 - 3.5

Pseudoboleite

Formula: 
Pb31Cu24Cl62(OH)48
Strunz: 
3.DB.10
Hardness: 
2.5

Paratacamite

Formula: 
Cu3(Cu,Zn)(OH)6Cl2
Strunz: 
3.DA.10c
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
Green
Type Locality: 
Generosa Mine, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile
Wendel Minerals

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