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Recently Released Special Editions

Barium Silicates of CA

Friday, 05 April 2024 08:00 AM

Introducing the "Barium Silicates of CA" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including titantaramellite, traskite, and verplanckite and more from places like Esquire #8 claim, Big Creek, Fresno Co., California, United States, Esquire #1 claim, Rush Creek, Fresno Co., California, United States.

SOLD
Titantaramellite - REW63845
Titantaramellite - REW63845

Titantaramellite

#REW63845
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Availability
Sold
Size
4 x 3.5 x 3 cm - Miniature 
Tagged
Ba Silicates , barium  

Thick plates of dark brownish red Titantaramellite to 0.8mm. It is interesting to note how many localities share the type locality for this mineral. It must have been a difficult mineral to describe.


Titantaramellite

Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Anhedral Grains 
Cleavage
Perfect, None, None 
Color
bronze brown, purple red 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
Collection
Robert E. Walstrom collection
Mineralpedia
View Titantaramellite
On Dakota Matrix
Previously Sold Titantaramellite
On Dakota Matrix
Other Available Titantaramellite
WebMineral
View Titantaramellite
Mindat
View Titantaramellite
SOLD
Traskite - REW60144
Traskite - REW60144

Traskite

#REW60144
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O 
Availability
Sold
Size
4.5 x 4 x 4.5 cm - Miniature 
Tagged
Ba Silicates , bariium  
Special Info
Type Locality 

Tiny glassy red crystal grains less than 0.5mm.


Traskite

Formula
Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O 
Crystal System
Hexagonal 
Crystal Habit
Euhedral Crystals, Anhedral Grains 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brownish red 
Streak
light reddish brown 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Conchoidal 
Hardness
5 
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Traskite
On Dakota Matrix
Previously Sold Traskite
On Dakota Matrix
Other Available Traskite
WebMineral
View Traskite
Mindat
View Traskite
SOLD
Traskite - REW60150
Traskite - REW60150

Traskite

#REW60150
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O 
Availability
Sold
Size
4 x 4 x 2 cm - Miniature 
Tagged
Ba Silicates , barium  

Glassy red crystals to about 0.3mm in Sanbornite. Traskite is a very rare mineral with only one locality outside of California. Extremely rare mineral.


Traskite

Formula
Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O 
Crystal System
Hexagonal 
Crystal Habit
Euhedral Crystals, Anhedral Grains 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brownish red 
Streak
light reddish brown 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Conchoidal 
Hardness
5 
Collection
Robert E. Walstrom collection
Mineralpedia
View Traskite
On Dakota Matrix
Previously Sold Traskite
On Dakota Matrix
Other Available Traskite
WebMineral
View Traskite
Mindat
View Traskite
SOLD
Verplanckite - REW63900
Verplanckite - REW63900

Verplanckite

#REW63900
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
Ba4Mn2+2Si4O12(OH,H2O)3Cl3 
Availability
Sold
Size
4 x 2.5 x 1.8 cm - Miniature 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

Orange prismatic crystals to 1mm in matrix.


Verplanckite

Formula
Ba4Mn2+2Si4O12(OH,H2O)3Cl3 
Crystal System
Hexagonal 
Crystal Habit
Radial, Prismatic, Aggregates 
Cleavage
Good, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
brownish yellow, brownish orange 
Streak
light orange 
Class
Hexagonal - Dihexagonal Dipyramidal 
Hardness
2.5-3 
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Verplanckite
On Dakota Matrix
Previously Sold Verplanckite
On Dakota Matrix
Other Available Verplanckite
WebMineral
View Verplanckite
Mindat
View Verplanckite

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