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0 item @ $0.00  

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 bigcreekite, celsian, and cerchiaraite-(al) and more from places like Esquire #7 claim, Big Creek, Fresno Co., California, United States, Esquire #8 claim, Big Creek, Fresno Co., California, United States, and Esquire #1 claim, Rush Creek, Fresno Co., California, United States.

Bigcreekite

#REW60030
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
BaSi2O5·4H2
Availability
Available
Price
$30.00
Size
0.7 x 0.5 x 0.4 cm - Thumbnail 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

This is a small specimen but contains excellent crystallized Bigcreekite in a "veinlet" about 1mm. The Bigcreekite is colorless and striated.

Bigcreekite is only found in California. 

This specimen as well as most of the others in the Special Edition was identified by the expert on the barium-silicates, the late Robert Walstrom.


Bigcreekite

Formula
BaSi2O5·4H2
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Subhedral Crystals 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Pearly 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
2-3 
Collection
Robert J. Waidler Collection
Special Info
Type Locality

Bigcreekite

with Fresnoite & Muirite - #REW60031
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
BaSi2O5·4H2
Availability
Sold
Size
3 x 1 x 1 cm - Thumbnail 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

Small 1-2mm flashy, striated crystals of Bigcreekite with yellow grains of Fresnoite and orange grains of Muirite.


Bigcreekite

Formula
BaSi2O5·4H2
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Subhedral Crystals 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Pearly 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
2-3 
Collection
Robert E. Walstrom collection
Special Info
Type Locality

Bigcreekite

#REW60033
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
BaSi2O5·4H2
Availability
Sold
Size
0.7 x 0.6 x 0.4 cm - Thumbnail 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

Colorless, platy, and striated Bigcreekite to 2mm on a small chip. In the photos are Bigcreekite crystals under reflective lighting.


Bigcreekite

Formula
BaSi2O5·4H2
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Subhedral Crystals 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Pearly 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
2-3 
Collection
Robert E. Walstrom collection
Special Info
Type Locality

Celsian

with Bazirite - #REW63622
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
BaAl2Si2O8 
Availability
Sold
Size
4 x 3.5 x 2.5 cm - Miniature 
Tagged
Ba Silicates , barium  

Coarse granular light yellow Celsian with good fluorescent Bazirite. Celsian is a barium bearing feldspar and is actually a late stage mineral and typically found at the margins with the metamorphic host. 


Celsian

Formula
BaAl2Si2O8 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Crystalline - Fine 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellow, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
6-6.5 
Collection
Robert E. Walstrom collection
Mineralpedia
View Celsian
On Dakota Matrix
Previously Sold Celsian
On Dakota Matrix
Other Available Celsian
WebMineral
View Celsian
Mindat
View Celsian

Celsian

with Bazirite - #REW63623
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
BaAl2Si2O8 
Availability
Sold
Size
3 x 3.2 x 3.3 cm - Miniature 
Tagged
Ba Silicates , barium  

Fine to coarse granular light yellow Celsian with intensely fluorescent Bazirite. Celsian is nondescript and looks very similar to the Quartz in the matrix. It is widespread in these deposits. Very good specimen.


Celsian

Formula
BaAl2Si2O8 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Crystalline - Fine 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellow, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
6-6.5 
Collection
Robert E. Walstrom collection
Mineralpedia
View Celsian
On Dakota Matrix
Previously Sold Celsian
On Dakota Matrix
Other Available Celsian
WebMineral
View Celsian
Mindat
View Celsian

Cerchiaraite-(Al)

#REW60125
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
Ba4Al4O3(OH)3(Si4O12)[Si2O3(OH)4]Cl 
Availability
Sold
Size
4.5 x 2 x 1.8 cm - Miniature 
Special Info
Type Locality 

Dark green anhedral crystal grains to 1mm. Cerchiaraite-(Al) is a very rare mineral worldwide. It bassically occurs in only three places on Earth.


Cerchiaraite-(Al)

Collection
Robert E. Walstrom collection
Special Info
Type Locality

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