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Mixed Minerals

Sunday, 06 November 2022 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including nezilovite, and silver and more from places like Jakupica Mt., Nezilovo area, Veles region, North Macedonia, and Keeley-Frontier mine, Cobalt dist., Ontario, Canada.

Nezilovite

#57798
Locality
Jakupica Mt., Nezilovo area, Veles region, North Macedonia 
Formula
PbZn2Mn4+2Fe3+8O19 
Availability
Available
Price
$125.00
Size
1.5 x 1 x 1 cm - Thumbnail 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Type & Only Locality 

Fairly rich specimen of this rare metallic oxide. The largest crystal is 2mm and there are at least five smaller crystals. 

This is the only locality reported thus far worldwide for Nezilovite. Identified by Dr. Igor Pekov.


Nezilovite

Formula
PbZn2Mn4+2Fe3+8O19 
Crystal System
Hexagonal 
Crystal Habit
Tabular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black 
Streak
dark brown 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
4-5 
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Type & Only Locality

Silver

with Acanthite - #59488
Locality
Keeley-Frontier mine, Cobalt dist., Ontario, Canada 
Formula
Ag 
Availability
Available
Price
$45.00
Size
1 x 1 x 0.7 cm - Thumbnail 
Tagged
native element  

Wire silver curls to 2mm on Acanthite.


Silver

Formula
Ag 
Crystal System
Isometric 
Crystal Habit
Arborescent, Dendritic, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
silver white, gray white, gray 
Streak
silver white 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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