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Mixed Minerals

Friday, 14 August 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including anglesite, odintsovite, and wurtzite and more from places like Parys Mountain Mines, Isle of Anglesey, Wales, Erupcion mine, Los Lamentos, Chihuahua, Mexico, Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia, and Pomorzany, near Olkusz, Poland.

Anglesite

#BC52683
Locality
Parys Mountain Mines, Isle of Anglesey, Wales 
Formula
PbSO4 
Availability
Available
Price
$750.00
Size
8 x 7 x 2.5 cm - Sm Cabinet 
Special Info
Type Locality 

This is a precious, very hard to obtain, Anglesite specimen from the type locality. There are 2.5cm colorless crystals as well as tiny 1-2mm crystals. Galena matrix. Very nice specimen which comes with Freiberg Mineral Museum tag (see prov. tab).


Anglesite

Formula
PbSO4 
Crystal System
Orthorhombic 
Crystal Habit
Granular, Stalactitic 
Cleavage
Good, Distinct, None 
Luster
Adamantine 
Color
blue, colorless, green, gray, yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5-3 
Collection
Barbara Cureton Collection
Special Info
Type Locality
Mineralpedia
View Anglesite
On Dakota Matrix
Previously Sold Anglesite
On Dakota Matrix
Other Available Anglesite
WebMineral
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Mindat
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Anglesite

#BC52670
Locality
Erupcion mine, Los Lamentos, Chihuahua, Mexico 
Formula
PbSO4 
Availability
Available
Price
$275.00
Size
4.5 x 4.5 x 1.5 cm - Miniature 

A large single, brown, well-formed crystal of Anglesite.  There are several older tags with the specimen including Arizona-Sonora Desert Museum tag; a Mitchell Gunnell tag from 1934, Kristalle tag, and Cureton's label - see prov. tab.


Anglesite

Formula
PbSO4 
Crystal System
Orthorhombic 
Crystal Habit
Granular, Stalactitic 
Cleavage
Good, Distinct, None 
Luster
Adamantine 
Color
blue, colorless, green, gray, yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5-3 
Collection
Barbara Cureton Collection
Mineralpedia
View Anglesite
On Dakota Matrix
Previously Sold Anglesite
On Dakota Matrix
Other Available Anglesite
WebMineral
View Anglesite
Mindat
View Anglesite

Odintsovite

#52415
Locality
Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia 
Formula
K2Na4Ca3Ti2Be4Si12O38 
Availability
Available
Price
$60.00
Size
Micromount 
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Author's Material 
Special Info
Type Material 

A tiny 0.5mm pink crystal grain on microprobe mount. Odintsovite is a two-locality mineral - very rare beryllium mineral.


Odintsovite

Formula
K2Na4Ca3Ti2Be4Si12O38 
Crystal System
Orthorhombic 
Crystal Habit
Granular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, light pink, slightly brownish pink 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
5-5.5 
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material
Special Info
Type Material

Wurtzite

with bands of Sphalerite aka schalenblende - #BC52706
Locality
Pomorzany, near Olkusz, Poland 
Formula
ZnS 
Availability
Available
Price
$250.00
Size
11 x 8 x 6 cm - Cabinet 
Tagged
sulfide  

Fine specimen of what is called "schalenblende", which is banded concentric layers of Sphalerite and Wurtzite.  The specimen is rough on onne large side and sawed and polished three sides. See prov. tab for labels.


Wurtzite

Formula
ZnS 
Crystal System
Hexagonal 
Crystal Habit
Radial, Tabular, Colloform 
Cleavage
Good, Good, None 
Luster
Adamantine - Resinous 
Color
brownish black, orange brown, reddish brown, black 
Streak
light brown 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Barbara Cureton Collection
Mineralpedia
View Wurtzite
On Dakota Matrix
Previously Sold Wurtzite
On Dakota Matrix
Other Available Wurtzite
WebMineral
View Wurtzite
Mindat
View Wurtzite

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