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Rare and Antique

Friday, 27 September 2024 06:00 PM

Introducing the "Rare and Antique" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including chondrodite, copper, elbaite, eucryptite, and ferro-gedrite and more from places like Edenville, Orange Co., New York, United States, Central mine, Central, Keweenaw Co., Michigan, United States, Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States, Midnight Owl mine, Yavapai Co., Arizona, United States, and Amosa mine, Lydenburg, Transvaal, South Africa.

Chondrodite

with Spinel - #64586
Locality
Edenville, Orange Co., New York, United States 
Formula
Mg5(SiO4)2F2 
Availability
Sold
Size
8 x 7.5 x 3.5 cm - Sm Cabinet 
Special Info
Antique Specimen 

Huge crystals of orange Chondrodite with black octahedral Spinel crystals to 7mm in Calcite matrix8. Old specimen from the A. E. Seaman Museum.


Chondrodite

Formula
Mg5(SiO4)2F2 
Crystal System
Monoclinic 
Crystal Habit
Crystalline - Fine, Massive - Granular 
Cleavage
Good, None, None 
Luster
Vitreous - Greasy 
Color
yellow, orange, brownish white, reddish white, greenish white 
Streak
gray 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
6-6.5 
Special Info
Antique Specimen

Copper

#64505
Locality
Central mine, Central, Keweenaw Co., Michigan, United States 
Formula
Cu 
Availability
Available
Price
$100.00
Size
5 x 1 x 1 cm - Miniature 
Tagged
native element  

Excellent Copper specimen with spinel-law twinning.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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Copper

#64506
Locality
Central mine, Central, Keweenaw Co., Michigan, United States 
Formula
Cu 
Availability
Available
Price
$75.00
Size
4.5 x 2.3 x 2 cm - Miniature 
Tagged
native element  

Crudely formed Copper crystals in mass.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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Elbaite

with Albite - #DL64697
Locality
Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Availability
Available
Price
$45.00
Size
14 x 11 x 5 cm - Cabinet 

1 to 5mm pink Elbaite crystals throughout Albite matrix.


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
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Eucryptite

after Spodumene - #DL64696
Locality
Midnight Owl mine, Yavapai Co., Arizona, United States 
Formula
LiAlSiO4 
Availability
Sold
Size
8 x 6 x 5.5 cm - Sm Cabinet 
Tagged
pegmatite mineral  
Special Info
Fluorescent 

Greyish white, fine granular Eucryptite after Spodumene.


Eucryptite

Formula
LiAlSiO4 
Crystal System
Trigonal 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, white 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
6.5 
Collection
Dr. David London Collection
Special Info
Fluorescent

Ferro-Gedrite

#BW64712
Locality
Amosa mine, Lydenburg, Transvaal, South Africa 
Formula
□Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 
Availability
Sold
Size
3 x 4 x 1.5 cm - Miniature 

Silky compact fibrous Ferro-gedrite, Mn-Fe-Mn amphibole.


Collection
Bill Wilson Collection

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