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Mixed Systematic Minerals

Sunday, 17 May 2020 08:00 PM

Introducing the "Mixed Systematic Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including almandine, barnesite, bavenite, beryl, boltwoodite, and cerussite and more from places like Garnet Hill, White Pine Co., Nevada, United States, Cactus Rat mine, Grand Co., Utah, United States, Gmina Strzegom, ?widnica Co., Lower Silesian Voivodeship, Poland, Topaz Mountain, Thomas Range, Juab Co., Utah, United States, Rossing mine, Rossing, Swakopmund, Namibia, and Wheatley mine, Chester Co., Pennsylvania, United States.

Almandine

garnet - #AH53231
Locality
Garnet Hill, White Pine Co., Nevada, United States 
Formula
Fe2+3Al2(SiO4)3 
Availability
Sold
Size
6.5 x 6 x 3 cm - Sm Cabinet 

Dark red 1-2mm excellent Almandine crystals in a large void of rhyolite. 


Almandine

Formula
Fe2+3Al2(SiO4)3 
Crystal System
Isometric 
Crystal Habit
Equant crystals, rounded grains, typically well-formed dodecahedra or trapezohedra 
Cleavage
None 
Luster
Vitreous - Resinous 
Color
brown, brownish red, red, black, black red 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
7-8 
Collection
Arnold G Hampson Collection
Mineralpedia
View Almandine
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Previously Sold Almandine
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Other Available Almandine
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Barnesite

#AH53245
Locality
Cactus Rat mine, Grand Co., Utah, United States 
Formula
Na2V5+6O16·3H2
Availability
Sold
Size
8 x 7 x 3 cm - Sm Cabinet 
Tagged
vanadium  

Minute rusty red crystals. 


Barnesite

Formula
Na2V5+6O16·3H2
Crystal System
Monoclinic 
Luster
Adamantine 
Color
brown red, dark red 
Streak
brownish red 
Class
Monoclinic - Prismatic 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Barnesite
On Dakota Matrix
Previously Sold Barnesite
On Dakota Matrix
Other Available Barnesite
WebMineral
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Mindat
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Bavenite

#53300
Locality
Gmina Strzegom, ?widnica Co., Lower Silesian Voivodeship, Poland 
Formula
Ca4Be2Al2Si9O26(OH)2 
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Tagged
beryllium  

Thumbnail size specimen of narly all bladed Bavenite, a rare beryllium mineral.


Bavenite

Formula
Ca4Be2Al2Si9O26(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Lamellar, Massive - Lamellar, Radial 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Pearly 
Color
white, green, pink, brown 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
5.5 
Mineralpedia
View Bavenite
On Dakota Matrix
Previously Sold Bavenite
On Dakota Matrix
Other Available Bavenite
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Mindat
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Beryl

#AH53305
Locality
Topaz Mountain, Thomas Range, Juab Co., Utah, United States 
Formula
Be3Al2Si6O18 
Availability
Available
Price
$70.00
Size
4.5 x 4.5 x 3 cm - Miniature 
Tagged
beryllium  

One small pink crystal of rare red Beryl in rhyolite tuff to 2mm.


Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Arnold G Hampson Collection
Mineralpedia
View Beryl
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Previously Sold Beryl
On Dakota Matrix
Other Available Beryl
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Mindat
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Boltwoodite

#53244
Locality
Rossing mine, Rossing, Swakopmund, Namibia 
Formula
KUO2(SiO3OH)·H2
Availability
Sold
Size
6 x 5 x 3 cm - Sm Cabinet 

Gorgeous orange sprays of bladed crystals in 5mm groups. Very nice specimen.


Boltwoodite

Formula
KUO2(SiO3OH)·H2
Crystal System
Monoclinic 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Pearly 
Color
yellow, light yellow 
Streak
white 
Class
Monoclinic - Sphenoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

Cerussite

#AH53240
Locality
Wheatley mine, Chester Co., Pennsylvania, United States 
Formula
PbCO3 
Availability
Sold
Size
7.5 x 5 x 4.5 cm - Sm Cabinet 
Tagged
carbonate  

White Cerussite crystals to 3mm on two sides.


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

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