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0 item @ $0.00  

Mixed Rare Minerals

Friday, 19 July 2019 06:00 PM

Introducing the "Mixed Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including gehlenite, goethite, gold, hemimorphite, liebigite, and malachite and more from places like Commercial quarry, Crestmore, Riverside Co., California, United States, Restormel Iron mine, St. Austell district, Cornwall, England, Homestake mine, Lawrence Co., South Dakota, United States, San Antonio mine, Santa Eulalia, Chihuahua, Mexico, Schwartzwalder mine, Jefferson Co., Colorado, United States, and Metcalf mine, Greenlee Co., Arizona, United States.

Gehlenite

with Vesuvianite - #9497
Locality
Commercial quarry, Crestmore, Riverside Co., California, United States 
Formula
Ca2Al(SiAl)O7 
Availability
Sold
Size
10 x 6 x 2 cm - Cabinet 

Up to 1.5cm yellowish Gehlinite crystals with lustrous brown Vesuvianite crystals to 9mm.


Gehlenite

Formula
Ca2Al(SiAl)O7 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Tabular, Massive - Granular 
Cleavage
Good, None, None 
Luster
Vitreous - Greasy 
Color
brown, colorless, greenish, gray, yellow 
Streak
white 
Class
Tetragonal - Scalenohedral 
Fracture
Uneven 
Hardness
5-6 

Goethite

#51030
Locality
Restormel Iron mine, St. Austell district, Cornwall, England 
Formula
FeO(OH) 
Availability
Available
Price
$50.00
Size
7.5 x 6 x 4.5 cm - Sm Cabinet 

Radial and concentrically color zoned Goethite cross-sections on Quartz.


Goethite

Formula
FeO(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Reniform, Radial 
Cleavage
Perfect, Distinct, None 
Luster
Adamantine - Silky 
Color
brown, reddish brown, yellowish brown, brownish yellow, ocher yellow 
Streak
yellowish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Hackly 
Hardness
5-5.5 
Mineralpedia
View Goethite
On Dakota Matrix
Previously Sold Goethite
On Dakota Matrix
Other Available Goethite
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Mindat
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SOLD
Gold - 50906
Gold - 50906

Gold

#50906
Locality
Homestake mine, Lawrence Co., South Dakota, United States 
Formula
Au 
Availability
Sold
Size
6.5 x 3 x 2 cm - Sm Cabinet 
Tagged
native element  

Smears of Gold to 1mm in chloritic schist. 


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
View Goldmanite
On Dakota Matrix
Previously Sold Gold
On Dakota Matrix
Other Available Gold
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Mindat
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Hemimorphite

#51051
Locality
San Antonio mine, Santa Eulalia, Chihuahua, Mexico 
Formula
Zn4Si2O7(OH)2·H2
Availability
Sold
Size
14 x 9 x 9 cm - Cabinet 

Large cabinet specimen entirely filled with colorless, striated and bladed Hemimorphite to 1.3cm.


Hemimorphite

Formula
Zn4Si2O7(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Massive, Stalactitic, Mammillary 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, greenish gray, yellow brown, white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Conchoidal 
Hardness
Collection
Robert J. Waidler Collection
SOLD
Liebigite - 50965
Liebigite - 50965

Liebigite

#50965
Locality
Schwartzwalder mine, Jefferson Co., Colorado, United States 
Formula
Ca2(UO2)(CO3)3·11H2
Availability
Sold
Size
3 x 1.6 x 1.4 cm - Thumbnail 

Bright yellow (more than the photos show) single crystal of Liebite. The first photo is actually a cavernous face. This is a large crystal of Liebigite for the mine. 


Liebigite

Formula
Ca2(UO2)(CO3)3·11H2
Crystal System
Orthorhombic 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
green, yellow green 
Streak
yellow white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle - Uneven 
Hardness
2.5-3 
Mineralpedia
View Liebigite
On Dakota Matrix
Previously Sold Liebigite
On Dakota Matrix
Other Available Liebigite
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Mindat
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Malachite

with Azurite - #48791
Locality
Metcalf mine, Greenlee Co., Arizona, United States 
Formula
Cu2CO3(OH)2 
Availability
Sold
Size
14 x 8 x 4 cm - Cabinet 
Tagged
carbonate , copper  

Gorgeous specimen with dark blue micro Azurite crystal groups sprinkled upon lighter blue Azurite layers. The layers of Azurite are grown upon layers of botroidal green Malachite. 


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
View Malachite
On Dakota Matrix
Previously Sold Malachite
On Dakota Matrix
Other Available Malachite
WebMineral
View Malachite
Mindat
View Malachite

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