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0 item @ $0.00  

Mixed Minerals

Friday, 31 July 2020 08:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including aragonite, azurite, cerussite, perovskite, phenakite, and prehnite and more from places like Mapimi dist., Durango, Mexico, Big Indian Copper mine, San Juan Co., Utah, United States, Tiger, Pinal Co., Arizona, United States, Långharsholmen, Alnö, Sundsvall, Västernorrland, Sweden, Mt. Antero, Chaffee Co., Colorado, United States, and Holyoke quarry, Hampden Co., Massachusetts, United States.

Aragonite

#AH53786
Locality
Mapimi dist., Durango, Mexico 
Formula
CaCO3 
Availability
Available
Price
$195.00
Size
22 x 12 x 13 cm - Cabinet 
Tagged
carbonate  

Large specimen of snow white cloud-like and plumose crystal formations of Aragonite. It is fascinating just to hold this in your hands and marvel over the formations.

Because of the size and weight of the specimen, an additional charge is calculated into the shipping cost. Exact costs will be determined at the post office and a refund or a request for more funds will be issued.


Aragonite

Formula
CaCO3 
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Hexagonal, Columnar, Fibrous 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white, gray, yellowish white, reddish white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection
Mineralpedia
View Aragonite
On Dakota Matrix
Previously Sold Aragonite
On Dakota Matrix
Other Available Aragonite
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Mindat
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Azurite

with Malachite - #AH53831
Locality
Big Indian Copper mine, San Juan Co., Utah, United States 
Formula
Cu3(CO3)2(OH)2 
Availability
Sold
Size
10.5 x 8 x 4.5 cm - Cabinet 
Tagged
carbonate , copper  

Dark blue well-formed crystals of Azurite to from 1mm to over 1cm groups with fibrous Malachite.


Azurite

Formula
Cu3(CO3)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Prismatic, Stalactitic 
Cleavage
Perfect, Fair, None 
Luster
Vitreous (Glassy) 
Color
azure blue, blue, light blue, dark blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection
Mineralpedia
View Azurite
On Dakota Matrix
Previously Sold Azurite
On Dakota Matrix
Other Available Azurite
WebMineral
View Azurite
Mindat
View Azurite

Cerussite

with Anglesite & Wulfenite - #AH53834
Locality
Tiger, Pinal Co., Arizona, United States 
Formula
PbCO3 
Availability
Sold
Size
8 x 6 x 3.5 cm - Sm Cabinet 
Tagged
carbonate  

Reticulated, twinned Cerussite crystals to 1cm, abundant, with dark grey Anglesite (formless) and orange Wulfenite with Mimetite.


Cerussite

Formula
PbCO3 
Crystal System
Orthorhombic 
Crystal Habit
Reticulate, Massive - Granular, Crystalline - Coarse 
Cleavage
Distinct, Distinct, None 
Luster
Adamantine 
Color
colorless, white, gray, blue, green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Cerussite
On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
WebMineral
View Cerussite
Mindat
View Cerussite

Perovskite

var. knopite - #PD53752
Locality
Långharsholmen, Alnö, Sundsvall, Västernorrland, Sweden 
Formula
CaTiO3 
Availability
Available
Price
$75.00
Size
8 x 4.5 x 4 cm - Sm Cabinet 

Knopite is a variety of perovskite rich in cerium. The crystals are reddish brown and dypramidal to about 1mm and are quite nice. 


Perovskite

Formula
CaTiO3 
Crystal System
Orthorhombic 
Crystal Habit
Reniform, Pseudo Cubic, Pseudo Hexagonal 
Cleavage
Good, Good, Good 
Luster
Sub Metallic 
Color
black, reddish brown, pale yellow, yellowish orange 
Streak
grayish white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
5.5 
Collection
Don Phillips Collection

Phenakite

#AH53811
Locality
Mt. Antero, Chaffee Co., Colorado, United States 
Formula
Be2SiO4 
Availability
Available
Price
$65.00
Size
1 x 1 x 1 cm - Thumbnail 
Tagged
beryllium  

Equant white near perfect crystal of Phenakite showing multiple complex faces, Formerly fromthe collection of Carmen and Larry Piekenbrock.


Phenakite

Formula
Be2SiO4 
Crystal System
Trigonal 
Crystal Habit
Massive - Fibrous, Granular 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, wine yellow, yellow, pink, pinkish red 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Arnold G Hampson Collection
Mineralpedia
View Phenakite
On Dakota Matrix
Previously Sold Phenakite
On Dakota Matrix
Other Available Phenakite
WebMineral
View Phenakite
Mindat
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Prehnite

with Calcite - #AH53783
Locality
Holyoke quarry, Hampden Co., Massachusetts, United States 
Formula
Ca2Al(Si3Al)O10(OH)2 
Availability
Sold
Size
12 x 8 x 7 cm - Cabinet 

"Sea-foam" green botryoidal Prehnite with Calcite. The Prehnite is actually pretty lustrous in-hand with a sparkly appearance, which is not captured in the photos.


Prehnite

Formula
Ca2Al(Si3Al)O10(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Reniform, Globular, Stalactitic 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
colorless, gray, yellow, yellow green, white 
Streak
colorless 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
6-6.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Prehnite
On Dakota Matrix
Previously Sold Prehnite
On Dakota Matrix
Other Available Prehnite
WebMineral
View Prehnite
Mindat
View Prehnite

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