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Rare Minerals for Collectors

Sunday, 07 January 2024 06:00 PM

Introducing the "Rare Minerals for Collectors" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including apuanite, carnotite, dugganite, ettringite, schoepite, and suredaite and more from places like Buca della Vena mine, Apuan Alps, Lucca prov., Tuscany, Italy, Anderson mine, Yavapai Co., Arizona, United States, Tombstone dist., Cochise Co., Arizona, United States, N'Chwaning mines, Kuruman, Northern Cape prov., South Africa, Happy Jack mine, White Canyon, San Juan Co., Utah, United States, and Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina.

Apuanite

with Versiliaite - #BAC63131
Locality
Buca della Vena mine, Apuan Alps, Lucca prov., Tuscany, Italy 
Formula
Fe3+4Fe2+Sb3+4O12
Availability
Sold
Size
2.4 x 1.5 x 1 cm - Thumbnail 

A single black tetrahedral crystal of Apuanite to 1mm with black Versiliaite.


Apuanite

Formula
Fe3+4Fe2+Sb3+4O12
Crystal System
Tetragonal 
Crystal Habit
Massive 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black 
Streak
black 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
4-5 
Collection
William & Anne Cook Collection
Mineralpedia
View Apuanite
On Dakota Matrix
Previously Sold Apuanite
On Dakota Matrix
Other Available Apuanite
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Mindat
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Carnotite

with Weeksite - #BAC63116
Locality
Anderson mine, Yavapai Co., Arizona, United States 
Formula
K2(UO2)2(VO4)2·3H2
Availability
Available
Price
$75.00
Size
5.5 x 4.5 x 2.5 cm - Sm Cabinet 
Tagged
vanadium  
Special Info
Radioactive!! 

Orange-yellow crystals of Carnotite with yellow crystals of Weeksite in groups with radial cross-sections. 


Carnotite

Formula
K2(UO2)2(VO4)2·3H2
Crystal System
Monoclinic 
Crystal Habit
Earthy, Encrustations, Platy 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
yellow, golden yellow, greenish yellow 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
William & Anne Cook Collection
Special Info
Radioactive!!

Dugganite

on Jarosite - #BAC63113
Locality
Tombstone dist., Cochise Co., Arizona, United States 
Formula
Pb3Zn3(TeO6)(AsO4)2 
Availability
Available
Price
$95.00
Size
6 x 4 x 1 cm - Sm Cabinet 
Tagged
tellurium  

White with a green tint Dugganite crystals less than 1mm in size.


Dugganite

Formula
Pb3Zn3(TeO6)(AsO4)2 
Crystal System
Hexagonal 
Cleavage
Indistinct, None, None 
Luster
Adamantine 
Color
colorless, green, white 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
Collection
William & Anne Cook Collection
Mineralpedia
View Dugganite
On Dakota Matrix
Previously Sold Dugganite
On Dakota Matrix
Other Available Dugganite
WebMineral
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Mindat
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Ettringite

- Charlesite - #BAC63136
Locality
N'Chwaning mines, Kuruman, Northern Cape prov., South Africa 
Formula
Ca6Al2(SO4)3(OH)12·26H2
Availability
Available
Price
$40.00
Size
4 x 3 x 1 cm - Miniature 

Yellow plates with Xonotlite in-between.


Ettringite

Formula
Ca6Al2(SO4)3(OH)12·26H2
Crystal System
Hexagonal 
Crystal Habit
Acicular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Hardness
2-2.5 
Collection
William & Anne Cook Collection

Schoepite

#AH63173
Locality
Happy Jack mine, White Canyon, San Juan Co., Utah, United States 
Formula
(UO2)8O2(OH)12·12H2
Availability
Sold
Size
4 x 3.5 x 2 cm - Miniature 
Special Info
Radioactive!! 
Special Info
XRD Confirmed 
Special Info
Raman 

Rounded groups of glassy yellow Schoepite to 2mm contrasting nicely on blue Chrysocolla.


Schoepite

Formula
(UO2)8O2(OH)12·12H2
Crystal System
Orthorhombic 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
yellow, lemon yellow, brownish yellow, amber 
Streak
light yellow 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
2.5 
Special Info
Radioactive!!
Special Info
XRD Confirmed
Special Info
Raman
Mineralpedia
View Schoepite
On Dakota Matrix
Previously Sold Schoepite
On Dakota Matrix
Other Available Schoepite
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Mindat
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Suredaite

#BAC63146
Locality
Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina 
Formula
PbSnS3 
Availability
Available
Price
$125.00
Size
2.5 x 1.3 x 2 cm - Thumbnail 
Tagged
sulfide , tin  
Special Info
Type Locality 

Suredaite is seen in the photos as long bladed metallic crystals to 2.5mm and shows a divergent habit growth into the brown unidentified matrix. This is the type and only locality for this very rare lead-tin-sulfide. The specimen was obtained by the Cooks from Dr. Jaroslav Hyrsl, who know doubt obtained it from the author of this new mineral, Dr. Werner Paar. It was published in the year 2000.


Suredaite

Formula
PbSnS3 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Prismatic 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
grayish black 
Streak
black 
Class
Orthorhombic - Dipyramidal 
Hardness
2.5-3 
Collection
William & Anne Cook Collection
Special Info
Type Locality
Mineralpedia
View Suredaite
On Dakota Matrix
Previously Sold Suredaite
On Dakota Matrix
Other Available Suredaite
WebMineral
View Suredaite
Mindat
View Suredaite

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