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 Minerals for Sale

Sunday, 15 July 2018 06:00 PM

Introducing the "Rare Minerals for Sale" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including armstrongite, atacamite, baryte, beraunite, bromellite, and copper and more from places like Dorozhnyi peg., Khan Bogdo massif, Gobi Desert, Mongolia, Mt. Gunson mine, Pernatty Lagoon, South Australia, Australia, Indian Head Rock, Basin, Jefferson Co., Montana, United States, Three Oaks Gap, Polk Co., Arkansas, United States, Lupikko mine, Pitkäranta, Karelia Republic, Russia, and Quincy mine, Houghton Co., Michigan, United States.

Armstrongite

#PD34668
Locality
Dorozhnyi peg., Khan Bogdo massif, Gobi Desert, Mongolia 
Formula
CaZrSi6O15·2.5H2
Availability
Sold
Size
3 x 3 x 2.5 cm - Thumbnail 

Crystalline, granular pink portions throughout.


Armstrongite

Formula
CaZrSi6O15·2.5H2
Crystal System
Monoclinic 
Crystal Habit
Bladed, Spherical, Aggregates 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous (Glassy) 
Color
light brown, reddish brown 
Streak
brownish white 
Class
Monoclinic - Sphenoidal 
Fracture
Brittle 
Hardness
4.5 
Collection
Don Phillips Collection

Atacamite

#RW49356
Locality
Mt. Gunson mine, Pernatty Lagoon, South Australia, Australia 
Formula
Cu2Cl(OH)3 
Availability
Available
Price
$175.00
Size
11.5 x 9 x 4 cm - Cabinet 
Tagged
copper  

Large cabinet full of dark green platy Atacamte crystals to 2mm.


Atacamite

Formula
Cu2Cl(OH)3 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Fibrous, Granular 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
green, yellow, yellow green, black green 
Streak
apple green 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
3-3.5 
Collection
Robert J. Waidler Collection
Mineralpedia
View Atacamite
On Dakota Matrix
Previously Sold Atacamite
On Dakota Matrix
Other Available Atacamite
WebMineral
View Atacamite
Mindat
View Atacamite

Baryte

#RW49361
Locality
Indian Head Rock, Basin, Jefferson Co., Montana, United States 
Formula
BaSO4 
Availability
Available
Price
$125.00
Size
6.5 x 6.5 x 2.5 cm - Sm Cabinet 

Golden thick tabular crystals of Baryte to 2.3cm on edge. Nice specimn, sits well, with many crystals.


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 J. 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 Kidwellite & Strengite - #BN49365
Locality
Three Oaks Gap, Polk Co., Arkansas, United States 
Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Availability
Sold
Size
10.5 x 8 x 6 cm - Cabinet 
Tagged
phosphate  

Deep red bladed crystals of Beraunite in fans flat on matrix with a dusting of light green Kidwellite and purple Strengite.


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
SOLD
Bromellite - 46444
Bromellite - 46444

Bromellite

#46444
Locality
Lupikko mine, Pitkäranta, Karelia Republic, Russia 
Formula
BeO 
Availability
Sold
Size
4 x 2.5 x 2 cm - Miniature 
Tagged
beryllium  

Dark flesh colored prismatic crystal to 2.5mm showing good prism faces. Bromellite is a very rare beryllium oxide found in only 6 countries and a handful of deposits worldwide. Though small, this is by all accounts a very good crystal in a matrix of green mica, most likey Clinochlore. The locality is an ancient iron mine. Identified by Dr. Igor Pekov.


Bromellite

Formula
BeO 
Crystal System
Hexagonal 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
white 
Streak
white 
Class
Hexagonal - Dihexagonal Pyramidal 
Hardness

Copper

#49359
Locality
Quincy mine, Houghton Co., Michigan, United States 
Formula
Cu 
Availability
Sold
Size
8 x 3 x 2.5 cm - Sm Cabinet 
Tagged
native element  

Hackly pure mass of native Copper with bluish alterations.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Robert J. Waidler Collection
Mineralpedia
View Copper
On Dakota Matrix
Previously Sold Copper
On Dakota Matrix
Other Available Copper
WebMineral
View Copper
Mindat
View Copper

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2018 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map