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0 item @ $0.00  

Rare & Systematic

Friday, 08 March 2019 06:00 PM

Introducing the "Rare & Systematic" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including kannanite, langite, millerite, nabokoite, nickeltsumcorite, and routhierite and more from places like Mt Kannan, Uchiko, Ouzu City, Ehime, Japan, Richtárová, Staré Hory, Banská Bystrica, Slovakia, Coed-Ely Colliery, Coed Ely, Rhondda-Cynon-Taff, Wales, Tolbachik Volcano, Kamchatka, Russia, Laurium, Attika, Greece, and Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy.

NEW IMA
Kannanite - 50221
Kannanite - 50221

Kannanite

#50221
Locality
Mt Kannan, Uchiko, Ouzu City, Ehime, Japan 
Formula
Ca4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6 
Availability
Available
Price
$195.00
Size
1 x 1 x 0.4 cm - Thumbnail 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Type & Only Locality 

Orange grains to over 1mm of this rare new IMA vanadate found only at this locality.


Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Type & Only Locality
SOLD
Langite - 50425
Langite - 50425

Langite

#50425
Locality
Richtárová, Staré Hory, Banská Bystrica, Slovakia 
Formula
Cu4SO4(OH)6·2H2
Availability
Sold
Size
3 x 1.5 x 1 cm - Thumbnail 
Tagged
copper  

Bright blue crystals. Nice piece.


Langite

Formula
Cu4SO4(OH)6·2H2
Crystal System
Monoclinic 
Crystal Habit
Concretionary, Fibrous, Earthy 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous (Glassy) 
Color
blue green, green blue, sky blue 
Streak
greenish blue 
Class
Monoclinic - Domatic 
Fracture
Uneven 
Hardness
2.5-3 
Mineralpedia
View Langite
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Previously Sold Langite
On Dakota Matrix
Other Available Langite
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Millerite

#50394
Locality
Coed-Ely Colliery, Coed Ely, Rhondda-Cynon-Taff, Wales 
Formula
NiS 
Availability
Available
Price
$95.00
Size
9 x 6.5 x 5 cm - Sm Cabinet 
Tagged
sulfide , nickel  

Slender crystals to 8mm in vug.


Millerite

Formula
NiS 
Crystal System
Trigonal 
Crystal Habit
Acicular, Massive 
Cleavage
Perfect, Perfect, None 
Luster
Metallic 
Color
bronze, greenish gray, gray, brass yellow 
Streak
greenish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
3-3.5 
Mineralpedia
View Millerite
On Dakota Matrix
Previously Sold Millerite
On Dakota Matrix
Other Available Millerite
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Mindat
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Nabokoite

#50489
Locality
Tolbachik Volcano, Kamchatka, Russia 
Formula
Cu2+7Te4+O4(SO4)5·KCl 
Availability
Sold
Size
2.5 x 2 x 2 cm - Thumbnail 
Tagged
copper , tellurium  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Nabokoite are the yellow crystals aall about matrix. There are a few good bladed crystals as seen in the photos.


Nabokoite

Formula
Cu2+7Te4+O4(SO4)5·KCl 
Crystal System
Tetragonal 
Crystal Habit
Tabular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, yellow brown 
Streak
yellowish brown 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2-2.5 
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Nickeltsumcorite

#50490
Locality
Laurium, Attika, Greece 
Formula
Pb(Ni,Fe3+)2(AsO4)2(H2O,OH)2 
Availability
Available
Price
$95.00
Notes
Discounts/Promos do NOT apply to this item
Size
2 x 2 x 1.5 cm - Thumbnail 
Tagged
arsenate , nickel  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Author's Material 

This is a specimen from Dr. Igor Pekov's collection, which was used to help describe the mineral. The Nickeltsumcorite crystals are the tiny yellow spherulites to about 0.3mm. It is rich and tested by Pekov of course. It is a two-locality mineral, this being the type locality.


Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material

Routhierite

with Protochabourneite - #50439
Locality
Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy 
Formula
CuTlHg2As2S6 
Availability
Available
Price
$95.00
Size
3 x 2 x 1 cm - Thumbnail 
Tagged
sulfide , copper  

Routhierite are the red grains. One grain is 2mm the other is 0.75mm. The Protochabourneite can be seen as black grains around the larger Routhierite. Both are very rare minerals, and this is type locality for Protochabourneite. From the stock of Dr. Jaroslav Hyrsl.


Routhierite

Formula
CuTlHg2As2S6 
Crystal System
Tetragonal 
Crystal Habit
Anhedral Grains 
Cleavage
Good, Good, None 
Luster
Metallic 
Color
violet red, black 
Class
Tetragonal - Ditetragonal Pyramidal 
Hardness
3.5 

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