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, 17 November 2017 08:00 AM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including baryte, beraunite, bermanite, calaverite, cuprite, and foggite and more from places like Mianyang pref., Sichuan prov., China, Leveäniemi Iron mine, Svappavaara, Lappland, Sweden, Tip Top mine, Custer Co., South Dakota, United States, Cripple Creek dist., Teller Co., Colorado, United States, Rubtsovskiy mine, Altaiskiy Krai, W. Siberia, Russia, and Milgun Station, Western Australia, Australia.

Baryte

#RW47852
Locality
Mianyang pref., Sichuan prov., China 
Formula
BaSO4 
Availability
Sold
Size
10 x 7 x 4 cm - Cabinet 

Golden large tabular crystals to 2cm. The specimen has good color, good luster, large crystals and is flashy. The base is sawed flat.


Baryte

Formula
BaSO4 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Prismatic, Massive - Fibrous 
Cleavage
Perfect, Perfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, grayish white, brownish white, dark brown 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 
Collection
Robert Waidler Collection
Mineralpedia
View Baryte
On Dakota Matrix
Previously Sold Baryte
On Dakota Matrix
Other Available Baryte
WebMineral
View Baryte
Mindat
View Baryte

Beraunite

with Strengite - #BN47880
Locality
Leveäniemi Iron mine, Svappavaara, Lappland, Sweden 
Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Availability
Sold
Size
6 x 3.5 x 4 cm - Sm Cabinet 
Tagged
phosphate  

Green, dull balls of Beraunite to 1.5mm with purple Strengite to 4mm.


Beraunite

Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Crystal System
Monoclinic 
Crystal Habit
Druse, Radial, Globular 
Cleavage
Good, None, None 
Luster
Vitreous - Dull 
Color
green, greenish brown, gray green, dark greenish brown, dark red 
Streak
green brown 
Class
Monoclinic - Prismatic 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Beraunite
On Dakota Matrix
Previously Sold Beraunite
On Dakota Matrix
Other Available Beraunite
WebMineral
View Beraunite
Mindat
View Beraunite

Bermanite

with Laueite - #BN47865
Locality
Tip Top mine, Custer Co., South Dakota, United States 
Formula
Mn2+Mn3+2(PO4)2(OH)2·4H2
Availability
Sold
Size
6.5 x 4 x 2 cm - Sm Cabinet 
Tagged
phosphate  

Dark rusty red short bladed crystals of Bermanite with yellow Laueite (up to 1mm), light pink Hureaulite and small light green balls of Dufrenite. 


Bermanite

Formula
Mn2+Mn3+2(PO4)2(OH)2·4H2
Crystal System
Monoclinic 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous - Resinous 
Color
light red, dark reddish brown 
Class
Monoclinic - Sphenoidal 
Fracture
Brittle 
Hardness
3.5 
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Bermanite
On Dakota Matrix
Previously Sold Bermanite
On Dakota Matrix
Other Available Bermanite
WebMineral
View Bermanite
Mindat
View Bermanite

Calaverite

#RW47867
Locality
Cripple Creek dist., Teller Co., Colorado, United States 
Formula
AuTe2 
Availability
Sold
Size
3.5 x 1.5 x 1 cm - Miniature 
Tagged
tellurium , gold  

A small specimen (3.5cm) loaded with elongated crystals of Calaverite to 1.5mm. It is sawed flat and slightly polished one side, which shows the crystals well.


Calaverite

Formula
AuTe2 
Crystal System
Monoclinic 
Crystal Habit
Striated, Massive, Crystalline - Fine 
Cleavage
None, None, None 
Luster
Metallic 
Color
yellow, yellowish white 
Streak
green 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
2.5 
Collection
Robert Waidler Collection

Cuprite

#RW47842
Locality
Rubtsovskiy mine, Altaiskiy Krai, W. Siberia, Russia 
Formula
Cu1+2
Availability
Sold
Size
6.5 x 6.5 x 5 cm - Sm Cabinet 
Tagged
copper  

Large deep red octahedral crystals of Cuprite to 2cm along edge. Excellent specimen and probably one of the world's greatest Cuprite localities.


Cuprite

Formula
Cu1+2
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Capillary 
Cleavage
Imperfect, None, None 
Luster
Adamantine 
Color
brown red, purple red, red, black 
Streak
brownish red 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Robert Waidler Collection
Mineralpedia
View Cuprite
On Dakota Matrix
Previously Sold Cuprite
On Dakota Matrix
Other Available Cuprite
WebMineral
View Cuprite
Mindat
View Cuprite

Foggite

#BN47881
Locality
Milgun Station, Western Australia, Australia 
Formula
CaAlPO4(OH)2·H2
Availability
Sold
Size
7 x 6 x 3.5 cm - Sm Cabinet 
Tagged
phosphate  

A hard-to-obtain locality - a mint green Variscite seam to 1cm wide rimmed by rare white Foggite.


Foggite

Formula
CaAlPO4(OH)2·H2
Crystal System
Orthorhombic 
Cleavage
Perfect, Good, None 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Disphenoidal 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Foggite
On Dakota Matrix
Previously Sold Foggite
On Dakota Matrix
Other Available Foggite
WebMineral
View Foggite
Mindat
View Foggite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2017 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map