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Rare Minerals for the Collector

Sunday, 15 December 2024 06:00 PM

Introducing the "Rare Minerals for the Collector" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including spodumene, tellurite, and titantaramellite and more from places like Midnight Owl mine, Yavapai Co., Arizona, United States, Bambolla mine, Moctezuma, Sonora, Mexico, and Esquire #8 claim, Big Creek, Fresno Co., California, United States.

Spodumene

altered to Eucryptite - #DL64371
Locality
Midnight Owl mine, Yavapai Co., Arizona, United States 
Formula
LiAlSi2O6 
Availability
Available
Price
$250.00
Size
12 x 8 x 12 cm - Cabinet 
Tagged
pegmatite mineral , lithium  
Special Info
Fluorescent 

Large specimen of cut and polished Spodumene nearly complete replacement of Eucryptite. The entire cut face will fluoresce red showing the degree of Eucrytite replacement. The pink mineral is muscovite.


Spodumene

Formula
LiAlSi2O6 
Crystal System
Monoclinic 
Crystal Habit
Bladed, Prismatic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
grayish white, pink, violet, emerald green, yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
6.5-7 
Collection
Dr. David London Collection
Special Info
Fluorescent
Mineralpedia
View Spodumene
On Dakota Matrix
Previously Sold Spodumene
On Dakota Matrix
Other Available Spodumene
WebMineral
View Spodumene
Mindat
View Spodumene

Tellurite

with Poughite - #JD65093
Locality
Bambolla mine, Moctezuma, Sonora, Mexico 
Formula
TeO2 
Availability
Sold
Size
3 x 2.3 x 1.5 cm - Thumbnail 
Tagged
tellurium  

A one mm Tellurite crystal amongst tiny yelllow Poughite crystals.


Tellurite

Formula
TeO2 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Prismatic 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
yellow orange, white, straw yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Flexible 
Hardness
Collection
John Dagenais Collection
Mineralpedia
View Tellurite
On Dakota Matrix
Previously Sold Tellurite
On Dakota Matrix
Other Available Tellurite
WebMineral
View Tellurite
Mindat
View Tellurite

Titantaramellite

#REW60333
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Availability
Sold
Size
12 x 5 x 2 cm - Cabinet 

Dark brownish red crystals in matrix to 1cm. Very rich specimen.


Titantaramellite

Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Anhedral Grains 
Cleavage
Perfect, None, None 
Color
bronze brown, purple red 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
Collection
Robert E. Walstrom collection

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