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 Rare and Cabinet

Saturday, 12 August 2023 12:00 PM

Introducing the "Mixed Rare and Cabinet" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including beryl, cualstibite-1m, fizelyite, fluorite, hemimorphite, and hubnerite and more from places like Hale quarry, Portland, Middlesex Co., Connecticut, United States, Monte Avanza mine, Forni Avoltri, Friuli Venezia Giulia, Italy, Herja mine, Baia Mare, Maramures Co., Romania, Elmwood mine, Smith Co., Tennessee, United States, Mindouli, Mindouli dist., Pool Dept., Republic of the Congo, and Sunnyside mine, Silverton, San Juan Co., Colorado, United States.

Beryl

in Albite with garnet - #DL62157
Locality
Hale quarry, Portland, Middlesex Co., Connecticut, United States 
Formula
Be3Al2Si6O18 
Availability
Available
Price
$75.00
Size
11 x 8 x 9.5 cm - Cabinet 
Tagged
beryllium , pegmatite mineral  

Large light green, terminated crystal to 6cm exposed in white Albite matrix with garnets.


Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Dr. David London Collection
Mineralpedia
View Beryl
On Dakota Matrix
Previously Sold Beryl
On Dakota Matrix
Other Available Beryl
WebMineral
View Beryl
Mindat
View Beryl

Cualstibite-1M

with Azurite - #BAC62273
Locality
Monte Avanza mine, Forni Avoltri, Friuli Venezia Giulia, Italy 
Formula
(Cu,Al)3(OH)6[Sb5+(OH)6
Availability
Sold
Size
1.1 x 1.2 x 0.8 cm - Thumbnail 
Tagged
copper  

Green very tiny, less than 0.3mm, crystals.


Collection
William & Anne Cook Collection

Fizelyite

#KR61966
Locality
Herja mine, Baia Mare, Maramures Co., Romania 
Formula
Ag5Pb14Sb21S48 
Availability
Available
Price
$130.00
Size
4.5 x 3 x 2 cm - Miniature 
Tagged
sulfide , silver  

Long bladed grey crystals to 9mm with a coating of Boulangerite(?) with dark brown Siderite.


Fizelyite

Formula
Ag5Pb14Sb21S48 
Crystal System
Monoclinic 
Crystal Habit
Striated, Prismatic 
Cleavage
Good, None, None 
Luster
Metallic 
Color
lead gray, dark gray, steel gray 
Streak
dark gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
Collection
Kenneth Raabe Collection
Mineralpedia
View Fizelyite
On Dakota Matrix
Previously Sold Fizelyite
On Dakota Matrix
Other Available Fizelyite
WebMineral
View Fizelyite
Mindat
View Fizelyite

Fluorite

with Dolomite - #AH62269
Locality
Elmwood mine, Smith Co., Tennessee, United States 
Formula
CaF2 
Availability
Available
Price
$75.00
Size
7 x 7.5 x 4 cm - Sm Cabinet 

Colorless to light purple cubic crystals. The largest crystal is 3.5cm on edge. All crystals characteristically have a darker purple color and the corners are more transparent then the rest of the crystal. Limestone matrix with white Dolomite crystals. There is no damage except one of the smaller crystals at the base has been dinged. It's a pretty good specimen.


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
Collection
Arnold G Hampson Collection
Mineralpedia
View Fluorite
On Dakota Matrix
Previously Sold Fluorite
On Dakota Matrix
Other Available Fluorite
WebMineral
View Fluorite
Mindat
View Fluorite

Hemimorphite

#62236
Locality
Mindouli, Mindouli dist., Pool Dept., Republic of the Congo 
Formula
Zn4Si2O7(OH)2·H2
Availability
Available
Price
$50.00
Size
5 x 3.5 x 1.8 cm - Miniature 

Crystal rounded aggregates of platey colorless to aqua-blue Hemimorphite crystals. The groups approximate 8mm maximun.


Hemimorphite

Formula
Zn4Si2O7(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Massive, Stalactitic, Mammillary 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, greenish gray, yellow brown, white 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Conchoidal 
Hardness

Hubnerite

in Quartz with Galena & Rhodonite - #AH62268
Locality
Sunnyside mine, Silverton, San Juan Co., Colorado, United States 
Formula
Mn2+WO4 
Availability
Sold
Size
7.5 x 4 x 4.5 cm - Sm Cabinet 

Reddish brown bladed crystals of Hubnerite suspended in a vein of Quartz bordered by Rhodonite and Galena. This is a great example of vein mineralization.


Hubnerite

Formula
Mn2+WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
brown, reddish brown, brownish black 
Streak
reddish brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Hubnerite
On Dakota Matrix
Previously Sold Hubnerite
On Dakota Matrix
Other Available Hubnerite
WebMineral
View Hubnerite
Mindat
View Hubnerite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2023 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map