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0 item @ $0.00  

Mixed Minerals

Friday, 06 October 2017 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including allabogdanite, arsenic, azurite, bornite, and cassiterite and more from places like Onello meteorite, Bol'shoy Dolguchan River, Onello River basin, Aldan, Yakutia, Siberia, Russia, St. Andreasberg dist., Harz, Lower Saxony, Germany, Metcalf mine, Greenlee Co., Arizona, United States, Leonard mine, Butte dist., Silver Bow Co., Montana, United States, Babu dist., Hezhou Pref., Guangxi Zhuang, China, and Taylor Creek Tin dist., Sierra Co., New Mexico, United States.

SOLD
Allabogdanite - BN47638
Allabogdanite - BN47638

Allabogdanite

#BN47638
Locality
Onello meteorite, Bol'shoy Dolguchan River, Onello River basin, Aldan, Yakutia, Siberia, Russia 
Formula
(Fe,Ni)2
Availability
Sold
Size
Micromount 
Tagged
nickel  
Special Info
Type Locality 
Special Info
EDS Confirmed 

Epoxy mount with supporting EDS papers. It is a thin sliver less than 0.2mm.


Allabogdanite

Formula
(Fe,Ni)2
Crystal System
Orthorhombic 
Crystal Habit
Microscopic Crystals, Lamellar 
Cleavage
None, None, None 
Luster
Metallic 
Color
light straw yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
5-6 
Collection
Dr. Buford Nichols Collection
Special Info
Type Locality
Special Info
EDS Confirmed

Arsenic

#RW47597
Locality
St. Andreasberg dist., Harz, Lower Saxony, Germany 
Formula
As 
Availability
Sold
Size
8 x 4.5 x 5 cm - Sm Cabinet 
Tagged
native element  

A great botryoidal mass of solid, dull dark grey Arsenic.


Arsenic

Formula
As 
Crystal System
Trigonal 
Crystal Habit
Nodular, Reniform, Lamellar 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, gray, white 
Streak
black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
3.5 
Collection
Robert J. Waidler Collection
Mineralpedia
View Arsenic
On Dakota Matrix
Previously Sold Arsenic
On Dakota Matrix
Other Available Arsenic
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Mindat
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Azurite

with Malachite - #RW47624
Locality
Metcalf mine, Greenlee Co., Arizona, United States 
Formula
Cu3(CO3)2(OH)2 
Availability
Available
Price
$325.00
Size
13 x 7 x 4 cm - Cabinet 
Tagged
carbonate , copper  

Large cabinet of rich deep but bright blue, velvety Azurite crystals as 3-10mm rosettes across face with nice contrasting green Malachite. Excellent display specimen.


Azurite

Formula
Cu3(CO3)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Prismatic, Stalactitic 
Cleavage
Perfect, Fair, None 
Luster
Vitreous (Glassy) 
Color
azure blue, blue, light blue, dark blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
View Azurite
On Dakota Matrix
Previously Sold Azurite
On Dakota Matrix
Other Available Azurite
WebMineral
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Mindat
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Bornite

with Pyrite & Quartz - #RW47581
Locality
Leonard mine, Butte dist., Silver Bow Co., Montana, United States 
Formula
Cu5FeS4 
Availability
Available
Price
$250.00
Size
15 x 7 x 3.5 cm - Cabinet 
Tagged
sulfide , copper  

A plate full of dark bluish to almost black virtually formless crystal masses of Bronite with Pyrite and Quartz. Like the Comstock and the Homestake mines, specimens are scarce from Butte. 


Bornite

Formula
Cu5FeS4 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Reniform, Granular 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
copper red, bronze brown, purple 
Streak
grayish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Collection
Robert Waidler Collection
Mineralpedia
View Bornite
On Dakota Matrix
Previously Sold Bornite
On Dakota Matrix
Other Available Bornite
WebMineral
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Mindat
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Bornite

with Calcite - #RW47584
Locality
Babu dist., Hezhou Pref., Guangxi Zhuang, China 
Formula
Cu5FeS4 
Availability
Sold
Size
8 x 6 x 4.5 cm - Sm Cabinet 
Tagged
ore mineral , sulfide , copper  

Massive blue iridescent Bornite. A good ore mineral from a different locality.


Bornite

Formula
Cu5FeS4 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Reniform, Granular 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
copper red, bronze brown, purple 
Streak
grayish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Collection
Robert Waidler Collection
Mineralpedia
View Bornite
On Dakota Matrix
Previously Sold Bornite
On Dakota Matrix
Other Available Bornite
WebMineral
View Bornite
Mindat
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SOLD
Cassiterite - RW47594
Cassiterite - RW47594

Cassiterite

#RW47594
Locality
Taylor Creek Tin dist., Sierra Co., New Mexico, United States 
Formula
SnO2 
Availability
Sold
Size
2.5 x 2.5 x 2 cm - Thumbnail 
Tagged
tin  

There are very few if any tin mines in the USA. There are plenty of Cassiterite occurences, but this place actually produced some tin - about 1000 pounds. That's nothing in the tin world, but aside from the scarce deposits in the Black Hills, there is very little else on record in terms of viable tin mining. These deposits occured in an area roughly 450 square miles and first found as placers. The prospectors later discovered stringers in Tertiary rhyolite. 

This specimen is a one of those "nuggets", what was once termed "wood tin". Looks like hematite or goethite eh? 


Cassiterite

Formula
SnO2 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Massive, Botryoidal 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
brown, brownish black, colorless, green, gray 
Streak
brownish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Irregular 
Hardness
6-7 
Collection
Robert Waidler Collection

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