mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
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 bunnoite, cassiterite, clinobarylite, eskimoite, greenockite, and kannanite and more from places like Kamoyama mine, Kamp Mt., Ino, Kochi, Shikoku Island, Japan, Cornwall, England, Hackmann Valley, Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia, Kaňk, Kutná Hora, Bohemia, Czech Republic, Whatley quarry, Wells, Mendip, Somerset, England, and Mt Kannan, Uchiko, Ouzu City, Ehime, Japan.

NEW IMA
Bunnoite - 50226
Bunnoite - 50226

Bunnoite

#50226
Locality
Kamoyama mine, Kamp Mt., Ino, Kochi, Shikoku Island, Japan 
Formula
Mn2+6AlSi6O18(OH)3 
Availability
Available
Price
$95.00
Size
3.5 x 2.5 x 1 cm - Miniature 
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

This is a relatively new IMA mineral. It is a manganese aluminum silicate and is a dark yellowish black grain to 1cm at the arrow. However the entire rim of this specimen is Bunnoite.


Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
On Dakota Matrix
Previously Sold Bunnoite
On Dakota Matrix
Other Available Bunnoite
WebMineral
View Bunnoite
Mindat
View Bunnoite

Cassiterite

#50254
Locality
Cornwall, England 
Formula
SnO2 
Availability
Sold
Size
7 x 4.5 x 3.5 cm - Sm Cabinet 
Tagged
tin  

Dark brown crystals of Cassiterite to 3mm. Rich.


Cassiterite

Formula
SnO2 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Massive, Botryoidal 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
brown, brownish black, colorless, green, gray 
Streak
brownish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Irregular 
Hardness
6-7 
SOLD
Clinobarylite - 50470
Clinobarylite - 50470

Clinobarylite

#50470
Locality
Hackmann Valley, Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia 
Formula
BaBe2Si2O7 
Availability
Sold
Size
5 x 3 x 1 cm - Miniature 
Tagged
beryllium  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Clear plates of Clinobarylite, also known as Barylite-1O and is a IMA discredited minerals. I am not sure on what basis. Analyzed by Dr. Igor Pekov.


Clinobarylite

Formula
BaBe2Si2O7 
Crystal System
Orthorhombic 
Crystal Habit
Radial, Aggregates, Platy 
Cleavage
Perfect, Very Good, Very Good 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
6.5 
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
SOLD
Eskimoite - 50445
Eskimoite - 50445

Eskimoite

#50445
Locality
Kaňk, Kutná Hora, Bohemia, Czech Republic 
Formula
Ag7Pb10Bi15S36 
Availability
Sold
Size
2.5 x 2.5 x 2.5 cm - Thumbnail 
Tagged
sulfide , silver , bismuth  
Special Info
EDS Confirmed 

Somewhat dull silvery grains of this rare silver-lead-bismuth sulfide. From the stock of Dr. Jaroslav Hrysl.


Eskimoite

Formula
Ag7Pb10Bi15S36 
Crystal System
Monoclinic 
Crystal Habit
Lamellar, Granular 
Luster
Metallic 
Color
black, gray 
Class
Monoclinic - Domatic 
Hardness
Special Info
EDS Confirmed
SOLD
Greenockite - 50365
Greenockite - 50365

Greenockite

#50365
Locality
Whatley quarry, Wells, Mendip, Somerset, England 
Formula
CdS 
Availability
Sold
Size
5.5 x 3.5 x 3 cm - Sm Cabinet 
Tagged
sulfide  

Yellow coatings of Greenockite on limestone(?)/Calcite matrix.


Greenockite

Formula
CdS 
Crystal System
Hexagonal 
Crystal Habit
Radial, Encrustations, Colloform 
Cleavage
Distinct, Imperfect, None 
Luster
Adamantine - Resinous 
Color
honey yellow, citron yellow, orange yellow 
Streak
orange yellow 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Uneven 
Hardness
3.5-4 
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

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map