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1 item @ $40.00  

Mixed Minerals

Sunday, 09 June 2024 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including elbaite, kidwellite, mojaveite, moraesite, petalite, and pyrochlore and more from places like Tanco pegmatite, Bernic Lake, Manitoba, Canada, Indian Mountain, Cherokee Co., Alabama, United States, Bird Nest drift, Otto Mountain, San Bernardino Co., California, United States, Palermo mine, Groton, Grafton Co., New Hampshire, United States, Bikita Pegmatite, Masvingo dist., Zimbabwe, and Samiresy, Tritriva, Betafo, Vakinankaratra, Madagascar.

SOLD
Elbaite - DL63085
Elbaite - DL63085

Elbaite

var. rubellite & Pollucite - #DL63085
Locality
Tanco pegmatite, Bernic Lake, Manitoba, Canada 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Availability
Sold
Size
9 x 9 x 7 cm - Sm Cabinet 
Tagged
pegmatite mineral , lithium  

Pink Elbaite columnar crystals with Pollucite.


Elbaite

Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Striated, Prismatic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue, colorless, green, yellow, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Sub Conchoidal 
Hardness
7.5 
Collection
Dr. David London Collection
Mineralpedia
View Elbaite
On Dakota Matrix
Previously Sold Elbaite
On Dakota Matrix
Other Available Elbaite
WebMineral
View Elbaite
Mindat
View Elbaite

Kidwellite

with Rockbridgeite - #BN48035
Locality
Indian Mountain, Cherokee Co., Alabama, United States 
Formula
NaFe3+9(PO4)6(OH)11·3H2
Availability
Sold
Size
4.5 x 4 x 3 cm - Miniature 
Tagged
phosphate  

A crazy specimen with a lot going on. The cross-sections reveal concentric Kidwellite with Rockbridgeite. The Kidwellite also occurs as light green spheroidal crystals. The red plates are gorgeous Beraunite.

The specimen comes with a Al Kidwell label.


Kidwellite

Formula
NaFe3+9(PO4)6(OH)11·3H2
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Columnar 
Cleavage
Perfect, None, None 
Luster
Silky 
Color
greenish yellow, greenish white, yellow, light green 
Streak
yellow 
Class
Monoclinic - Prismatic 
Hardness
Collection
Al Kidwell Collection

Mojaveite

#64205
Locality
Bird Nest drift, Otto Mountain, San Bernardino Co., California, United States 
Formula
Cu6[Te6+O4(OH)2](OH)7Cl 
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Special Info
Type Locality 

Sky blue aggregates of Mojaveite to 0.5mm associated with green Timroseite. This specimen is from the Brid Nest Drift.


Special Info
Type Locality

Moraesite

with Bertrandite - #BN64196
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States 
Formula
Be2PO4(OH)·4H2
Availability
Sold
Size
6 x 6 x 5 cm - Sm Cabinet 
Tagged
phosphate , beryllium , pegmatite mineral  

Snow white, pearly nests of Moraesite to 6mm across with minor micro crystals of Bertranite with Quartz.


Moraesite

Formula
Be2PO4(OH)·4H2
Crystal System
Monoclinic 
Crystal Habit
Spherical, Druse, Encrustations 
Cleavage
Perfect, None, None 
Color
white 
Streak
white 
Class
Monoclinic 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Moraesite
On Dakota Matrix
Previously Sold Moraesite
On Dakota Matrix
Other Available Moraesite
WebMineral
View Moraesite
Mindat
View Moraesite

Petalite

#DL64191
Locality
Bikita Pegmatite, Masvingo dist., Zimbabwe 
Formula
LiAlSi4O10 
Availability
Sold
Size
7 x 7 x 3 cm - Sm Cabinet 
Tagged
pegmatite mineral , lithium  

Bluish gray cleavable mass of Petalite, an ore of lithium. Note the compression fractures and the accompanied folding of the crystal probably done while the crystal was in an elastic "toothpaste" condition.

This specimen, like the many in the upcoming special edition on David London's pegmatite study specimens. Note the stuck on-label indicating that the specimen was featured on page 56, figure 4-9a.


Petalite

Formula
LiAlSi4O10 
Crystal System
Monoclinic 
Crystal Habit
Massive 
Cleavage
Perfect, Imperfect, None 
Luster
Vitreous - Pearly 
Color
colorless, gray, yellow, yellow gray, white 
Streak
colorless 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
6-6.5 
Collection
Dr. David London Collection
Mineralpedia
View Petalite
On Dakota Matrix
Previously Sold Petalite
On Dakota Matrix
Other Available Petalite
WebMineral
View Petalite
Mindat
View Petalite

Pyrochlore

var. urano - #BAC64212
Locality
Samiresy, Tritriva, Betafo, Vakinankaratra, Madagascar 
Formula
A2-mD2X6-w Z1-n 
Availability
Available
Price
$25.00
Size
0.8 x 0.6 x 0.5 cm - Thumbnail 

A subhedral complete crystal.


Pyrochlore

Formula
(Na,Ca)2Nb2O6(OH,F) 
Crystal System
Isometric 
Crystal Habit
Granular, Disseminated 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Resinous - Greasy 
Color
brown, yellowish brown, yellow, greenish brown, reddish brown 
Streak
yellowish brown 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
5-5.5 

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