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Mixed Minerals

Sunday, 15 November 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including eosphorite, fizelyite, freieslebenite, gold, grossular, and hematite and more from places like Taquaral, Itinga, Minas Gerais, Brazil, Van Silver Claims, British Columbia, Canada, Julcani mine, Julcani dist., Huancavelica dept., Peru, Orford Nickel mine, Estrie, Quebec, Canada, and Florence mine, Egremont, Cumbria, England.

Eosphorite

on Quartz - #48007
Locality
Taquaral, Itinga, Minas Gerais, Brazil 
Formula
Mn2+AlPO4(OH)2·H2
Availability
Available
Price
$60.00
Size
5 x 3.5 x 3 cm - Miniature 
Tagged
phosphate , pegmatite mineral  

1 to 3mm Eosphorite crystals with thick coverage on Quartz.


Eosphorite

Formula
Mn2+AlPO4(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Massive - Fibrous, Prismatic, Striated 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Resinous 
Color
light pink, yellow brown, light brown, light yellow, colorless 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal - Uneven 
Hardness
Collection
Dr. Buford Nichols Collection

Fizelyite

#54552
Locality
Van Silver Claims, British Columbia, Canada 
Formula
Ag5Pb14Sb21S48 
Availability
Sold
Size
1.5 x 1.5 x 1.5 cm - Thumbnail 
Tagged
sulfide , silver  

A very nice long, silvery 2mm crystal with other sulfides.


Fizelyite

Formula
Ag5Pb14Sb21S48 
Crystal System
Monoclinic 
Crystal Habit
Striated, Prismatic 
Cleavage
Good, None, None 
Luster
Metallic 
Color
lead gray, dark gray, steel gray 
Streak
dark gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
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SOLD
Freieslebenite - 54550
Freieslebenite - 54550

Freieslebenite

#54550
Locality
Van Silver Claims, British Columbia, Canada 
Formula
AgPbSbS3 
Availability
Sold
Size
2 x 1.5 x 1.5 cm - Thumbnail 
Tagged
sulfide , silver  

A silvery striated group of prismatic crystals to 0.5mm.


Freieslebenite

Formula
AgPbSbS3 
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
gray, silver white, blackish lead gray 
Streak
whitish gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
2.5 

Gold

with Ferberite - #49683
Locality
Julcani mine, Julcani dist., Huancavelica dept., Peru 
Formula
Au 
Availability
Sold
Size
7 x 7 x 5.5 cm - Sm Cabinet 
Tagged
native element  

There are 7 or more 1.5mm and less groups of Gold scattered in drusy Quartz matrix with black Ferberite.


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 
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Grossular

chromian - #AH54529
Locality
Orford Nickel mine, Estrie, Quebec, Canada 
Formula
Ca3Al2(SiO4)3 
Availability
Sold
Size
10 x 8 x 7 cm - Cabinet 

Large specimen with tiny green crystals of chromium Grossular.


Grossular

Collection
Arnold G Hampson Collection

Hematite

with Quartz - #54522
Locality
Florence mine, Egremont, Cumbria, England 
Formula
Fe2O3 
Availability
Available
Price
$150.00
Size
10 x 7 x 4.5 cm - Cabinet 

Classic locality. Colorless Quartz crystals to 1.2cm on shiny specular Hematite.


Hematite

Formula
Fe2O3 
Crystal System
Trigonal 
Crystal Habit
Tabular, Blocky, Earthy 
Cleavage
None, None, None 
Luster
Metallic 
Color
reddish gray, black, blackish red 
Streak
reddish brown 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal 
Hardness
6.5 
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