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0 item @ $0.00  

Mineral Specimens from Ivigtut

Saturday, 22 August 2015 11:00 AM

Cryolite, Pachnolite, Thomsenolite and Ralstonite amongst other odd minerals will be in this Special Edition.

SOLD
Chiolite - AK42507
Chiolite - AK42507

Chiolite

#AK42507
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
Na5Al3F14 
Availability
Sold
Size
4 x 3.5 x 1 cm - Miniature 

A clear mass of Chiolite with a Kidwell and University of Copenhagen label.


Chiolite

Formula
Na5Al3F14 
Crystal System
Tetragonal 
Crystal Habit
Crystalline - Fine 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Greasy 
Color
colorless, snow white 
Streak
white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
3.5-4 
Collection
Kidwell Collection
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Previously Sold Chiolite
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SOLD
CRYOLITE - 32093
CRYOLITE - 32093

Cryolite

#32093
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
Na3AlF6 
Availability
Sold
Size
3.5 x 2.5 x 2 cm - Miniature 
Special Info
Type Locality 

Murky white Cryolite.


Cryolite

Formula
Na3AlF6 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Euhedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
brownish black, colorless, gray, white, reddish brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
2.5-3 
Collection
Phillips Collection
Special Info
Type Locality
Mineralpedia
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Mindat
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Cryolite

#PD42520
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
Na3AlF6 
Availability
Sold
Size
9 x 7 x 6 cm - Sm Cabinet 

A large specimen of massive Cryolite with 3-6mm colorless Cryolite crystals on one face. 


Cryolite

Formula
Na3AlF6 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Euhedral Crystals 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
brownish black, colorless, gray, white, reddish brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
2.5-3 
Collection
Phillips Collection
Mineralpedia
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SOLD
Cryolithionite - PD42509
Cryolithionite - PD42509

Cryolithionite

in Cryolite - #PD42509
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
Na3Al2(LiF4)3 
Availability
Sold
Size
7 x 7 x 4 cm - Sm Cabinet 
Special Info
Type Locality 

Blackish Cryolite, probably irradiated, with a large 3cm crystal of colorless Cyrolithionite at the center (red arrow).


Cryolithionite

Formula
Na3Al2(LiF4)3 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse 
Cleavage
Good, Good, Good 
Luster
Vitreous - Greasy 
Color
colorless, white 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
2.5 
Collection
Phillips Collection
Special Info
Type Locality

Galena

with Anglesite - #PD42508
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
PbS 
Availability
Sold
Size
5 x 3 x 2 cm - Miniature 
Tagged
sulfide  

A thin 5mm layer of granular Galena with what looks like murky micro crystals of Anglesite, unreported from Ivigtut. This is according to the Ralph Merril label. He also notes "May have mineral A - Can. Min. 10, 871. 


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Phillips Collection
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Mindat
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SOLD
Galena - PD42528
Galena - PD42528

Galena

with Sphalerite - #PD42528
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland 
Formula
PbS 
Availability
Sold
Size
5 x 2.5 x 2.5 cm - Miniature 
Tagged
sulfide  

Cleavages of Galena, Sphalerite, and Siderite in Quartz.


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Phillips Collection
Mineralpedia
View Galena
On Dakota Matrix
Previously Sold Galena
On Dakota Matrix
Other Available Galena
WebMineral
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Mindat
View Galena

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