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0 item @ $0.00  

Mixed Minerals

Friday, 05 April 2019 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including kosmochlor, kunatite, malachite, manganvesuvianite, and natrolite and more from places like Maw-Sit-Sit, Burma, Huber mine, Horní Slavkov, Karlovy Vary, Czech Republic, Morenci mine, Greenlee Co., Arizona, United States, N'Chwaning mines, Kuruman, Northern Cape prov., South Africa, and Big Rock quarry, Little Rock, Pulaski Co., Arkansas, United States.

Kosmochlor

#50409
Locality
Maw-Sit-Sit, Burma 
Formula
NaCrSi2O6 
Availability
Sold
Size
2 x 1 x 1 cm - Thumbnail 

Micro inclusions of Kosmochlor in Cromium rich Jadeite. Rather rare worldwide.


Kosmochlor

Formula
NaCrSi2O6 
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
emerald green 
Streak
light green 
Class
Monoclinic - Prismatic 
Hardness
6-7 

Kunatite

with Triplite - #50411
Locality
Huber mine, Horní Slavkov, Karlovy Vary, Czech Republic 
Formula
CuFe3+2(PO4)2(OH)2·4H2
Availability
Sold
Size
2.5 x 2.5 x 1.5 cm - Thumbnail 
Tagged
phosphate  

Green spherulitic and bladed crystals throughout spongy Triplite matrix. Acquired from Dr. Jaroslav Hrysl.


Kunatite

Formula
CuFe3+2(PO4)2(OH)2·4H2
Crystal System
Monoclinic 
Class
Monoclinic - Prismatic 
Hardness
Mineralpedia
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Malachite

ps. after Azurite - #48782
Locality
Morenci mine, Greenlee Co., Arizona, United States 
Formula
Cu2CO3(OH)2 
Availability
Sold
Size
6.5 x 6 x 6 cm - Sm Cabinet 
Tagged
carbonate , copper  

Stunning rosettes of blue Azurite to 3mm with tiny beads of Malachite. Beautiful specimen.


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
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Malachite

#50643
Locality
Morenci mine, Greenlee Co., Arizona, United States 
Formula
Cu2CO3(OH)2 
Availability
Sold
Size
7 x 4 x 3 cm - Sm Cabinet 
Tagged
carbonate , copper  

Dark green Malachite after Azurite with a second generation of lighter green Malachite sprays.


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
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Manganvesuvianite

#50426
Locality
N'Chwaning mines, Kuruman, Northern Cape prov., South Africa 
Formula
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 

Beautiful deep red prismatic crystals to 8mm.


Manganvesuvianite

Formula
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 
Crystal System
Tetragonal 
Crystal Habit
Prismatic 
Luster
Vitreous (Glassy) 
Color
deep maroon red 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Subconchoidal 
Hardness
6-7 

Natrolite

with Aegerine - #46116
Locality
Big Rock quarry, Little Rock, Pulaski Co., Arkansas, United States 
Formula
Na2(Si3Al2)O10·2H2
Availability
Available
Price
$95.00
Size
10 x 5 x 5 cm - Cabinet 

Awesome specimen with incredible sprays of Natrolite crystals to 6mm on and with colorless to white Analcime. Excellent specimen.


Natrolite

Formula
Na2(Si3Al2)O10·2H2
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Prismatic, Nodular 
Cleavage
Perfect, Imperfect, None 
Luster
Vitreous - Silky 
Color
white, colorless, red, yellowish white, reddish white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
5.5-6 
Collection
Don Owens Collection
Mineralpedia
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