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

Sunday, 18 November 2018 12:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including fluorite, malachite, stibnite, and wulfenite and more from places like Florence mine, Egremont, Cumbria, England, Mindingi mine, Shaba, Democratic Republic of Congo, Baia Sprie, Maramures Co., Romania, and San Francisco mine, Sonora, Mexico.

Fluorite

with Hematite - #49931
Locality
Florence mine, Egremont, Cumbria, England 
Formula
CaF2 
Availability
Sold
Size
5 x 4.5 x 3 cm - Miniature 

Light blue cubic crystals to 1.5mm on drusy Quartz with another generation of orange colored Quartz. Hematite matrix.


Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
Mineralpedia
View Fluorite
On Dakota Matrix
Previously Sold Fluorite
On Dakota Matrix
Other Available Fluorite
WebMineral
View Fluorite
Mindat
View Fluorite

Malachite

#RW49948
Locality
Mindingi mine, Shaba, Democratic Republic of Congo 
Formula
Cu2CO3(OH)2 
Availability
Available
Price
$195.00
Size
14 x 9 x 6 cm - Cabinet 
Tagged
carbonate , copper  

Large cabinet specimen of smooth botryoidal Malachite. 


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
Robert J. Waidler Collection
Mineralpedia
View Malachite
On Dakota Matrix
Previously Sold Malachite
On Dakota Matrix
Other Available Malachite
WebMineral
View Malachite
Mindat
View Malachite

Stibnite

#RW49920
Locality
Baia Sprie, Maramures Co., Romania 
Formula
Sb2S3 
Availability
Available
Price
$45.00
Size
8 x 4 x 2.5 cm - Sm Cabinet 
Tagged
sulfide  

Slender steely grey prismatic crystals of Stibnite. The longest crystals measure 5cm.


Stibnite

Formula
Sb2S3 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, bluish lead gray, steel gray, black 
Streak
blackish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Collection
Robert J. Waidler Collection
Mineralpedia
View Stibnite
On Dakota Matrix
Previously Sold Stibnite
On Dakota Matrix
Other Available Stibnite
WebMineral
View Stibnite
Mindat
View Stibnite

Wulfenite

with Mimetite - #RW49925
Locality
San Francisco mine, Sonora, Mexico 
Formula
PbMoO4 
Availability
Sold
Size
5 x 3.5 x 2.5 cm - Miniature 

Thin orange plates of Wulfenite with the two top crystals measuring 1.7cm. There is chip off of one of the main crystals, so it is priced accordingly.  Lower at the base are spherules of fiery orange Mimetite. 

The specimen will be shipped in box full of soap flakes, a proven method.


Wulfenite

Formula
PbMoO4 
Crystal System
Tetragonal 
Crystal Habit
Tabular, Pyramidal 
Cleavage
Imperfect, None, None 
Luster
Resinous - Greasy 
Color
orange yellow, waxy yellow, yellowish gray, olive green, brown 
Streak
yellowish white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Robert J. Waidler Collection
Mineralpedia
View Wulfenite
On Dakota Matrix
Previously Sold Wulfenite
On Dakota Matrix
Other Available Wulfenite
WebMineral
View Wulfenite
Mindat
View Wulfenite

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