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Mixed Minerals

Friday, 14 July 2017 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including arsiccioite, atencioite, azurite, jamesonite, ludlamite, and montgomeryite and more from places like Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy, Linopolis, Divino das Larajeiras, Minas Gerais, Brazil, Metcalf mine, Greenlee Co., Arizona, United States, Santa Eulalia, Chihuahua, Mexico, Huanuni mine, Dalance Prov., Oruro dept., Bolivia, and Tip Top mine, Custer Co., South Dakota, United States.

Arsiccioite

with Protochabourneite - #46428
Locality
Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy 
Formula
AgHg2TlAs2S6 
Availability
Available
Price
$155.00
Size
3.5 x 3.5 x 2.5 cm - Miniature 
Tagged
sulfide , silver  
Special Info
Type Locality 
Special Info
Author's Material 

Red crystal grains in Baryte matrix. Author's material. Arsiccioite is a one locality mineral and extremely rare.


Special Info
Type Locality
Special Info
Author's Material
SOLD
Atencioite - BN47147
Atencioite - BN47147

Atencioite

#BN47147
Locality
Linopolis, Divino das Larajeiras, Minas Gerais, Brazil 
Formula
Ca2Fe2+3Mg2Be4(PO4)6(OH)4·6H2
Availability
Sold
Size
Chip < 1cm 
Tagged
phosphate , pegmatite mineral  

Atencioite is a rare member of the Roscherite group. It is light brown as shown in the photos.


Atencioite

Formula
Ca2Fe2+3Mg2Be4(PO4)6(OH)4·6H2
Crystal System
Triclinic 
Crystal Habit
Concretionary, Spherical 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
greenish brown 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
4.5 
Collection
Dr. Buford L. Nichols Collection

Azurite

#RW47174
Locality
Metcalf mine, Greenlee Co., Arizona, United States 
Formula
Cu3(CO3)2(OH)2 
Availability
Available
Price
$250.00
Size
6 x 8 x 8 cm - Sm Cabinet 
Tagged
carbonate , copper  

Bright blue rosettes of Azurite to 4mm totally covering the face of the matrix.  It is simply a beautiful specimen. It is just as blue as the photos show.


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
View Azurite
Mindat
View Azurite

Jamesonite

on Pyrite - #RW47169
Locality
Santa Eulalia, Chihuahua, Mexico 
Formula
Pb4FeSb6S14 
Availability
Available
Price
$125.00
Size
10 x 9 x 7 cm - Cabinet 
Tagged
sulfide  

Steely grey acicular or filliform crystals of Jamesonite to over 1cm totally covering the Pyrite matrix. A good specimen for display or in a museum.


Jamesonite

Formula
Pb4FeSb6S14 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Radial, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, steel gray, dark lead gray 
Streak
black. grayish 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
2.5 
Collection
Robert J. Waidler Collection

Ludlamite

#BN47134
Locality
Huanuni mine, Dalance Prov., Oruro dept., Bolivia 
Formula
Fe2+3(PO4)2·4H2
Availability
Sold
Size
3.5 x 2.5 x 1.5 cm - Miniature 
Tagged
phosphate  

Apple green lustrous Ludlamite crystals to over 1.5cm. Excellent specimen.


Ludlamite

Formula
Fe2+3(PO4)2·4H2
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
apple green, colorless, green, greenish white, light green 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Collection
Dr. Buford L. Nichols Collection
Mineralpedia
View Ludlamite
On Dakota Matrix
Previously Sold Ludlamite
On Dakota Matrix
Other Available Ludlamite
WebMineral
View Ludlamite
Mindat
View Ludlamite

Montgomeryite

with Robertsite - #BN47187
Locality
Tip Top mine, Custer Co., South Dakota, United States 
Formula
Ca4MgAl4(PO4)6(OH)4·12H2
Availability
Sold
Size
7 x 4.5 x 2 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Bright red to pink lath-like crystals of Montgomeryite from 0.5mm to 1mm with lustrous black Robertsite.


Montgomeryite

Formula
Ca4MgAl4(PO4)6(OH)4·12H2
Crystal System
Monoclinic 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellowish, white, green, red 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
Collection
Dr. Buford L. Nichols Collection

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