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0 item @ $0.00  

Mixed Minerals

Friday, 14 August 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 nifontovite, odintsovite, siderite, silver, sphalerite, and thomsonite-ca and more from places like Mina Rey y Reina, Charcas, San Luis Potosi, Mexico, Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia, Niederschlema, Schlema dist., Erzgebirge, Saxony, Germany, Cobalt dist., Ontario, Canada, Chuquicamata mine, El Loa Prov., Antofagasta, Chile, and Goble, Columbia Co., Oregon, United States.

Nifontovite

#50715
Locality
Mina Rey y Reina, Charcas, San Luis Potosi, Mexico 
Formula
Ca3[BO(OH)2]6·2H2
Availability
Sold
Size
6.5 x 6 x 3.5 cm - Sm Cabinet 

Water clear superb Nifontovite crystals to 1.2cm. This is an incredible specimen just loaded with great, terminated crystals.


Nifontovite

Formula
Ca3[BO(OH)2]6·2H2
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray 
Streak
white 
Class
Monoclinic 
Hardness
3.5 

Odintsovite

#52415
Locality
Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia 
Formula
K2Na4Ca3Ti2Be4Si12O38 
Availability
Available
Price
$60.00
Size
Micromount 
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Author's Material 
Special Info
Type Material 

A tiny 0.5mm pink crystal grain on microprobe mount. Odintsovite is a two-locality mineral - very rare beryllium mineral.


Odintsovite

Formula
K2Na4Ca3Ti2Be4Si12O38 
Crystal System
Orthorhombic 
Crystal Habit
Granular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, light pink, slightly brownish pink 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
5-5.5 
Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material
Special Info
Type Material

Siderite

#BC52710
Locality
Niederschlema, Schlema dist., Erzgebirge, Saxony, Germany 
Formula
FeCO3 
Availability
Sold
Size
8 x 4.5 x 4 cm - Sm Cabinet 
Tagged
carbonate  

Orange to sparkly brown round and bladed crystals of Siderite to 1.5cm. The matrix is a white Barite. See prov. tab to view Cureton and Freiberg labels.


Siderite

Formula
FeCO3 
Crystal System
Trigonal 
Crystal Habit
Tabular, Massive, Botryoidal 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
yellowish brown, brown, gray, yellowish gray, greenish gray 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5 
Collection
Barbara Cureton Collection
Mineralpedia
View Siderite
On Dakota Matrix
Previously Sold Siderite
On Dakota Matrix
Other Available Siderite
WebMineral
View Siderite
Mindat
View Siderite
SOLD
Silver - WR53887
Silver - WR53887

Silver

#WR53887
Locality
Cobalt dist., Ontario, Canada 
Formula
Ag 
Availability
Sold
Size
6.5 x 2.5 x 1 cm - Sm Cabinet 
Tagged
native element  

Crystalline plate of Silver.


Silver

Formula
Ag 
Crystal System
Isometric 
Crystal Habit
Arborescent, Dendritic, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
silver white, gray white, gray 
Streak
silver white 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Willard L. Roberts Collection
Mineralpedia
View Silver
On Dakota Matrix
Previously Sold Silver
On Dakota Matrix
Other Available Silver
WebMineral
View Silver
Mindat
View Silver

Sphalerite

#BN53874
Locality
Chuquicamata mine, El Loa Prov., Antofagasta, Chile 
Formula
ZnS 
Availability
Sold
Size
4 x 3.5 x 2.5 cm - Miniature 
Tagged
sulfide  

A representative specimen of Sphalerite from Chuquicamata with an interesting blue iridescenes.


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Dr. Buford Nichols Collection

Thomsonite-Ca

with Chabazite - #AH53880
Locality
Goble, Columbia Co., Oregon, United States 
Formula
NaCa2(Al5Si5)O20·6H2
Availability
Available
Price
$35.00
Size
4 x 2.5 x 2.5 cm - Miniature 

Snow white sprays of Thomsonite to 6mm on Chabazite.


Thomsonite-Ca

Formula
NaCa2(Al5Si5)O20·6H2
Crystal System
Orthorhombic 
Crystal Habit
Radial, Fibrous, Spherical 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, greenish, yellow, white, pink 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
5-5.5 
Collection
Arnold G Hampson Collection

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