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  

Mixed Minerals

Friday, 13 March 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including greenockite, hilgardite, kleinite, malachite, microcline, and pliniusite and more from places like Fall Hill Quarry, Ashover, Derbyshire, England, Boulby Potash mine, Loftus, Cleveland, England, Mariposa mine, Terlingua dist., Brewster Co., Texas, United States, Rum Jungle, Northern Territory, Australia, Ten-Percenter mine, Crystal Peak dist., Teller Co., Colorado, United States, and Tolbachik Volcano, Kamchatka, Russia.

SOLD
Greenockite - 52459
Greenockite - 52459

Greenockite

#52459
Locality
Fall Hill Quarry, Ashover, Derbyshire, England 
Formula
CdS 
Availability
Sold
Size
8 x 5 x 3.5 cm - Sm Cabinet 
Tagged
sulfide  

Greenockite coated Quartz and Fluorite crystals with a bit of later stage Sphalerite crystals to 0.75mm.


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 

Hilgardite

with Boracite - #52462
Locality
Boulby Potash mine, Loftus, Cleveland, England 
Formula
Ca2B5O9Cl·H2
Availability
Sold
Size
4.5 x 3.5 x 3 cm - Miniature 

Red pointed Hilgardite crystals to 1mm in radial groups with glassy, green orthorhombic crystals of Boracite to 1mm. 


Hilgardite

Formula
Ca2B5O9Cl·H2
Crystal System
Triclinic 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Triclinic - Pedial 
Hardness

Kleinite

with Gianellaite - #52563
Locality
Mariposa mine, Terlingua dist., Brewster Co., Texas, United States 
Formula
Hg2N(Cl,SO4)·nH2
Availability
Sold
Size
5 x 3 x 3.5 cm - Miniature 
Special Info
Type Locality 
Special Info
EDS Confirmed 
Special Info
Raman 

Flaming orange micro crystals of Kleinite with lemon yellow crystals of Gianellaite. Both minerals have been verified. 


Kleinite

Formula
Hg2N(Cl,SO4)·nH2
Crystal System
Hexagonal 
Crystal Habit
Prismatic 
Cleavage
Good, None, None 
Luster
Adamantine 
Color
yellow, orange 
Streak
yellow 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Special Info
Type Locality
Special Info
EDS Confirmed
Special Info
Raman
Mineralpedia
View Kleinite
On Dakota Matrix
Previously Sold Kleinite
On Dakota Matrix
Other Available Kleinite
WebMineral
View Kleinite
Mindat
View Kleinite

Malachite

with Wulfenite - #AH52762
Locality
Rum Jungle, Northern Territory, Australia 
Formula
Cu2CO3(OH)2 
Availability
Sold
Size
5.5 x 3 x 1.5 cm - Sm Cabinet 
Tagged
carbonate , copper  

Compact fibrous green Malachite in concentric patterns. There are tiny 1mm Wulfenite crystals and Cerussite. 


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection
Mineralpedia
View Malachite
On Dakota Matrix
Previously Sold Malachite
On Dakota Matrix
Other Available Malachite
WebMineral
View Malachite
Mindat
View Malachite

Microcline

var. amazonite - #AH52768
Locality
Ten-Percenter mine, Crystal Peak dist., Teller Co., Colorado, United States 
Formula
KAlSi3O8 
Availability
Sold
Size
6 x 4.5 x 4 cm - Sm Cabinet 

Rich bluish green crystal with no damage.


Microcline

Formula
KAlSi3O8 
Crystal System
Triclinic 
Crystal Habit
Blocky, Crystalline - Coarse, Prismatic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
bluish green, green, gray, grayish yellow, yellowish 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection

Pliniusite

#52418
Locality
Tolbachik Volcano, Kamchatka, Russia 
Formula
Ca5(VO4)3
Availability
Sold
Size
2 x 1 x 1 cm - Thumbnail 
Tagged
vanadium  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Author's Material 
Special Info
New IMA mineral 

A new IMA mineral and a member of the apatite group containg vanadium. The Piniusite is all the white, elongated crystals to about 0.5mm. Rich. The is a specimen from the Dr. Igor Pekov collection, who is one of the author's of Pliniusite.


Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material
Special Info
New IMA mineral

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map