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 Mineral Species

Thursday, 09 January 2025 06:00 PM

Introducing the "Rare Mineral Species" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including sincosite, suzukiite, and xocolatlite and more from places like South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho, Tanohata mine, Tohoku Region, Honshu Island, Japan, and Bambollita mine, Moctezuma, Sonora, Mexico.

Sincosite

#65283
Locality
South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho 
Formula
Ca(V4+O)2(PO4)2·5H2
Availability
Sold
Size
5 x 4 x 3 cm - Miniature 
Tagged
phosphate , vanadium  

Thin plates of green and reddish brown crystals crystals of rare Sincosite to 1mm covering black sooty phosphate ore.


Sincosite

Formula
Ca(V4+O)2(PO4)2·5H2
Crystal System
Tetragonal 
Crystal Habit
Scaly, Platy, Aggregates 
Cleavage
Perfect, Distinct, Poor 
Luster
Vitreous - Metallic 
Color
green, yellowish green, olive green, brownish green 
Streak
light green 
Class
Tetragonal 
Fracture
Brittle 
Hardness
1-2 
Mineralpedia
View Sincosite
On Dakota Matrix
Previously Sold Sincosite
On Dakota Matrix
Other Available Sincosite
WebMineral
View Sincosite
Mindat
View Sincosite
SOLD
Suzukiite - BAC65273
Suzukiite - BAC65273

Suzukiite

#BAC65273
Locality
Tanohata mine, Tohoku Region, Honshu Island, Japan 
Formula
BaV4+Si2O7 
Availability
Sold
Size
3 x 2 x 1 cm - Thumbnail 
Tagged
vanadium  

About a 1mm crystal in matrix.


Suzukiite

Formula
BaV4+Si2O7 
Crystal System
Orthorhombic 
Crystal Habit
Flakes 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
light green 
Streak
light green 
Class
Orthorhombic - Pyramidal 
Hardness
4-4.5 
Collection
William & Anne Cook Collection
Mineralpedia
View Suzukiite
On Dakota Matrix
Previously Sold Suzukiite
On Dakota Matrix
Other Available Suzukiite
WebMineral
View Suzukiite
Mindat
View Suzukiite
SOLD
Xocolatlite - JD65267
Xocolatlite - JD65267

Xocolatlite

#JD65267
Locality
Bambollita mine, Moctezuma, Sonora, Mexico 
Formula
Ca2Mn4+2Te6+2O12·H2
Availability
Sold
Size
1.2 x 1 x 1 cm - Thumbnail 
Tagged
tellurium  
Special Info
Type Locality 

Brownish red coatings.


Xocolatlite

Formula
Ca2Mn4+2Te6+2O12·H2
Crystal System
Monoclinic 
Crystal Habit
Encrustations, Micaceous 
Cleavage
Perfect 
Luster
Vitreous (Glassy) 
Color
chocolate brown 
Streak
copper brown 
Class
Monoclinic 
Fracture
Conchoidal 
Hardness
2-3 
Collection
John Dagenais Collection
Special Info
Type Locality

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map