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Mixed Minerals

Friday, 31 March 2017 12:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including agrellite, albite, chalcopyrite, dzhalindite, fairfieldite, and ferberite and more from places like Kipawa alkaline complex, Quebec, Canada, Goldflint Mtn., Jefferson Co., Montana, United States, Casapalca, Lima Dept., Peru, Dzhalinda Sn deposit, Malyi Khingan Range, Siberia, Russia, Jocão pegmatite, Conselheiro Pena, Doce valley, Minas Gerais, Brazil, and Yaogangxian mine, Chenzhou, Hunan prov., China.

Agrellite

#PD46705
Locality
Kipawa alkaline complex, Quebec, Canada 
Formula
NaCa2Si4O10
Availability
Available
Price
$35.00
Size
6 x 5.5 x 2 cm - Sm Cabinet 
Special Info
Fluorescent 

Platy white crystalline mass.


Agrellite

Formula
NaCa2Si4O10
Crystal System
Triclinic 
Crystal Habit
Lath 
Cleavage
Perfect, Perfect, Poor 
Luster
Vitreous - Pearly 
Color
white, grayish white, greenish white 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
5.5 
Special Info
Fluorescent
Mineralpedia
View Agrellite
On Dakota Matrix
Previously Sold Agrellite
On Dakota Matrix
Other Available Agrellite
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Albite

with tourmaline - #46256
Locality
Goldflint Mtn., Jefferson Co., Montana, United States 
Formula
NaAlSi3O8 
Availability
Sold
Size
6 x 6 x 3 cm - Sm Cabinet 

Platy blue rosettes of Albite, var. cleavelandite with a small 8mm Schorl crystal. Collected by Chris van Laer in May of 1993.


Albite

Formula
NaAlSi3O8 
Crystal System
Triclinic 
Crystal Habit
Blocky, Striated, Granular 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
white, gray, greenish gray, bluish green, gray 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
Collection
Chris van Laer Collection
Mineralpedia
View Albite
On Dakota Matrix
Previously Sold Albite
On Dakota Matrix
Other Available Albite
WebMineral
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Mindat
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Chalcopyrite

with Sphalerite - #46706
Locality
Casapalca, Lima Dept., Peru 
Formula
Cu1+Fe3+S2 
Availability
Available
Price
$395.00
Size
14 x 9 x 5.5 cm - Cabinet 
Tagged
sulfide , copper  

Large crystals of Chalcopyrite to over 3cm on black, shiny Sphalerite crystals. This is a fabulous sufide specimen. May cost extra to ship.


Chalcopyrite

Formula
Cu1+Fe3+S2 
Crystal System
Tetragonal 
Crystal Habit
Euhedral Crystals, Striated, Druse 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
brass yellow, honey yellow 
Streak
greenish black 
Class
Tetragonal - Scalenohedral 
Fracture
Brittle 
Hardness
3.5 
SOLD
Dzhalindite - 44112
Dzhalindite - 44112

Dzhalindite

#44112
Locality
Dzhalinda Sn deposit, Malyi Khingan Range, Siberia, Russia 
Formula
In(OH)3 
Availability
Sold
Size
1.5 x 1.5 x 0.6 cm - Thumbnail 
Special Info
Type Locality 

Orange crystalline areas less than 1mm. If there are crystals, I can't see them!


Dzhalindite

Formula
In(OH)3 
Crystal System
Isometric 
Color
yellow brown 
Streak
yellow white 
Class
Isometric - Diploidal 
Hardness
4-4.5 
Special Info
Type Locality

Fairfieldite

on Albite - #BN46692
Locality
Jocão pegmatite, Conselheiro Pena, Doce valley, Minas Gerais, Brazil 
Formula
Ca2Mn2+(PO4)2·2H2
Availability
Available
Price
$50.00
Size
6 x 5 x 4 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Greyish spheroidal crystal groups to 2mm on colorless to white bladed Albite var. cleavelandite with Muscovite.


Fairfieldite

Formula
Ca2Mn2+(PO4)2·2H2
Crystal System
Triclinic 
Crystal Habit
Foliated, Fibrous, Euhedral Crystals 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Pearly 
Color
greenish white, white, light yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Uneven 
Hardness
3.5 
Collection
Dr. Buford L. Nichols Collection

Ferberite

#PD46704
Locality
Yaogangxian mine, Chenzhou, Hunan prov., China 
Formula
Fe2+WO4 
Availability
Sold
Size
4 x 4 x 3 cm - Miniature 

A group of shining, striated, tabular crystals of Ferberite to 2cm.


Ferberite

Formula
Fe2+WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, Parting, Parting 
Luster
Sub Metallic 
Color
black 
Streak
brownish black 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
4.5 

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