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Recently Released New Additions

Rare Minerals Specimens

Tuesday, 24 January 2023 04:00 PM

Introducing the "Rare Minerals Specimens" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including bastnasite-(la), gold, klebelsbergite, kleinite, and saneroite and more from places like Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia, Harvard mine, Jamestown, Tuolumne Co., California, United States, Pereta mine, Grosseto Province, Tuscany, Italy, McDermitt mine, Humboldt Co., Nevada, United States, and Fianel mine, Ausserferrera, Ferrera, Viamala, Grisons, Switzerland.

Bastnasite-(La) - 59800
Bastnasite-(La) - 59800

Bastnasite-(La)

#59800
Locality
Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia 
Formula
LaCO3F 
Availability
Available
Price
$50.00
Size
4 x 2.5 x 2.5 cm - Miniature 
Tagged
carbonate , REE mineral  

Thin light blue crusts on shaley matrix with Malachite. Basnasite-La is a rare mineral that occurs in carbonatites at its type locality in the Belaya Zima REE-Nb deposit in Russia. The blue in this bastnasite is due to an impurity of copper.


Bastnasite-(La)

Formula
LaCO3F 
Crystal System
Hexagonal 
Crystal Habit
Prismatic, Massive - Granular 
Cleavage
Imperfect, Indistinct, None 
Luster
Vitreous - Greasy 
Color
yellow, reddish brown 
Streak
white 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Uneven 
Hardness
4-5 
Mineralpedia
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Gold - 58812
Gold - 58812

Gold

#58812
Locality
Harvard mine, Jamestown, Tuolumne Co., California, United States 
Formula
Au 
Availability
Available
Price
$295.00
Size
3.5 x 2.5 x 1.5 cm - Miniature 
Tagged
native element  

Leaf Gold 1.3 x 1.5cm in milky Quartz. Very nice specimen.


Gold

Formula
Au 
Crystal System
Isometric 
Crystal Habit
Arborescent, Platy, Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
yellow, pale yellow, orange, yellow white, reddish white 
Streak
yellow 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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Gold - 58813
Gold - 58813

Gold

#58813
Locality
Harvard mine, Jamestown, Tuolumne Co., California, United States 
Formula
Au 
Availability
Available
Price
$195.00
Size
2.6 x 1.3 x 1 cm - Thumbnail 
Tagged
native element  

A 6 x 7mm Gold leaf with more in Quartz matrix.


Gold

Formula
Au 
Crystal System
Isometric 
Crystal Habit
Arborescent, Platy, Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
yellow, pale yellow, orange, yellow white, reddish white 
Streak
yellow 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Mineralpedia
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Klebelsbergite - 60910
Klebelsbergite - 60910

Klebelsbergite

with Sulphur on Stibnite - #60910
Locality
Pereta mine, Grosseto Province, Tuscany, Italy 
Formula
Sb3+4O4(SO4)(OH)2 
Availability
Available
Price
$50.00
Size
4.5 x 3 x 3 cm - Miniature 

White bladed sprays of Klebelsbergite on Stibnite with micro crystals of Sulphur.


Klebelsbergite

Formula
Sb3+4O4(SO4)(OH)2 
Crystal System
Orthorhombic 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellow orange, white, light yellow, dark yellow 
Streak
yellow white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
3.5-4 
Mineralpedia
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Kleinite - 60901
Kleinite - 60901

Kleinite

with Terlinguacreekite - #60901
Locality
McDermitt mine, Humboldt Co., Nevada, United States 
Formula
Hg2N(Cl,SO4)·nH2O 
Availability
Available
Price
$85.00
Size
3.5 x 3 x 3 cm - Miniature 

Orange, glassy crystals to Kleinite with dull yellow possible Terlinguacreekite.


Kleinite

Formula
Hg2N(Cl,SO4)·nH2O 
Crystal System
Hexagonal 
Crystal Habit
Prismatic 
Cleavage
Good, None, None 
Luster
Adamantine 
Color
yellow, orange 
Streak
yellow 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
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Saneroite - BAC60767
Saneroite - BAC60767

Saneroite

#BAC60767
Locality
Fianel mine, Ausserferrera, Ferrera, Viamala, Grisons, Switzerland 
Formula
Na2(Mn2+,Mn3+)10V5+Si11O34(OH)4 
Availability
Available
Price
$50.00
Size
1.5 x 2.5 x 3 cm - Thumbnail 
Tagged
vanadium  

Fiery orange red crystal grains to 2mm in a mass 2.2 x 1cm.


Saneroite

Formula
Na2(Mn2+,Mn3+)10V5+Si11O34(OH)4 
Crystal System
Triclinic 
Crystal Habit
Tabular, Aggregates 
Cleavage
Perfect, Perfect, None 
Luster
Resinous - Greasy 
Color
light orange 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
6-7 
Collection
William & Anne Cook Collection
Mineralpedia
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