mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

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, pyrolusite, silver, spessartine, and zoisite and more from places like Jakupica Mt., Nezilovo area, Veles region, North Macedonia, Cabell Mine, Nelson Co., Virginia, United States, Keeley-Frontier mine, Cobalt dist., Ontario, Canada, Wushan Spessartine mine, Tongbei, Zhangzhou, Fujian, China, and Mjønes Tunnel, Åstfjorden,Orkland, Trøndelag, Norway.

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

Pyrolusite

#BW59477
Locality
Cabell Mine, Nelson Co., Virginia, United States 
Formula
MnO2 
Availability
Sold
Size
6.5 x 3.5 x 3.5 cm - Sm Cabinet 

Silvery-black crystals throughout matrix.


Pyrolusite

Formula
MnO2 
Crystal System
Tetragonal 
Crystal Habit
Reniform, Dendritic, Earthy 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
steel gray, iron gray, bluish gray 
Streak
black 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Brittle 
Hardness
6-6.5 
Collection
Bill Wilson Collection

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 
Mineralpedia
View Silver
On Dakota Matrix
Previously Sold Silver
On Dakota Matrix
Other Available Silver
WebMineral
View Silver
Mindat
View Silver

Spessartine

#59529
Locality
Wushan Spessartine mine, Tongbei, Zhangzhou, Fujian, China 
Formula
Mn2+3Al2(SiO4)3 
Availability
Sold
Size
8.5 x 9.5 x 4 cm - Cabinet 

Gorgeous orange crystals of Spessartine from 1 to 5mm on Microcline.


Spessartine

Formula
Mn2+3Al2(SiO4)3 
Crystal System
Isometric 
Crystal Habit
Massive, Crystalline - Fine, Lamellar 
Cleavage
Distinct, None, None 
Luster
Vitreous - Resinous 
Color
red, reddish orange, yellowish brown, reddish brown, brown 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Sub Conchoidal 
Hardness
6.5-7.5 

Zoisite

var. thulite - #59636
Locality
Mjønes Tunnel, Åstfjorden,Orkland, Trøndelag, Norway 
Formula
Ca2Al3(Si2O7)(SiO4)O(OH) 
Availability
Available
Price
$40.00
Size
5 x 3 x 2 cm - Miniature 

Rich pink mass of Zoisite, variety thulite. It has an old label from Louis Reamer (1871-1965). Reamer was a charter member of the Newark Mineralogical Society and active in the New York Mineralogical Club. See prov. tab for the label photo.


Zoisite

Formula
Ca2Al3(Si2O7)(SiO4)O(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Columnar 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
gray, apple green, brown, blue, rose red 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Even 
Hardness
6.5 
Collection
RC Stamberg Collection
Mineralpedia
View Zoisite
On Dakota Matrix
Previously Sold Zoisite
On Dakota Matrix
Other Available Zoisite
WebMineral
View Zoisite
Mindat
View Zoisite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2022 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map