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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 macdonaldite, muirite, and pellyite and more from places like Esquire #1 claim, Rush Creek, Fresno Co., California, United States, Esquire #7 claim, Big Creek, Fresno Co., California, United States, Esquire #8 claim, Big Creek, Fresno Co., California, United States.

SOLD
Macdonaldite - REW60372
Macdonaldite - REW60372

Macdonaldite

#REW60372
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
BaCa4Si16O36(OH)2·10H2O 
Availability
Sold
Size
2.4 x 2 x 2 cm - Thumbnail 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

This is the best Macdonaldite in my stock. A rich specimen full of acicular radiating crystal groups to 2mm across. Macdonaldite is found in only one locality outside of California.


Macdonaldite

Formula
BaCa4Si16O36(OH)2·10H2O 
Crystal System
Orthorhombic 
Crystal Habit
Acicular 
Cleavage
Perfect, Good, Indistinct 
Luster
Vitreous - Silky 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
3.5-4 
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Macdonaldite
On Dakota Matrix
Previously Sold Macdonaldite
On Dakota Matrix
Other Available Macdonaldite
WebMineral
View Macdonaldite
Mindat
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SOLD
Muirite - REW59887
Muirite - REW59887

Muirite

with Cerchiaraite-(Fe) - #REW59887
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Availability
Sold
Size
7 x 5 x 3 cm - Sm Cabinet 
Tagged
Ba Silicates , barium  
Special Info
Type Locality 

Rich specimen with dozens of orange crystal grains to 0.4mm scattered all over the matrix of granular Sanbornite and Pyrrhotite. At the yellow arrows are dark bluish anhedral grains of Cerchiaraite-(Fe), which is quite abundant on this specimen.


Muirite

Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Crystal System
Tetragonal 
Crystal Habit
Anhedral Grains 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
orange, brown 
Streak
light orange 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2.5 
Collection
Robert J. Waidler Collection
Special Info
Type Locality
Mineralpedia
View Muirite
On Dakota Matrix
Previously Sold Muirite
On Dakota Matrix
Other Available Muirite
WebMineral
View Muirite
Mindat
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SOLD
Muirite - REW59890
Muirite - REW59890

Muirite

#REW59890
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Availability
Sold
Size
7 x 7 x 2 cm - Sm Cabinet 
Tagged
Ba Silicates , bariium  
Special Info
Type Locality 

A very rich specimen of orange crystals of Muirite to less than 0.5mm throughout specimen. Plus Fresnoite at the yellow arrow, and Benitoite at the green arrow.


Muirite

Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Crystal System
Tetragonal 
Crystal Habit
Anhedral Grains 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
orange, brown 
Streak
light orange 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2.5 
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Muirite
On Dakota Matrix
Previously Sold Muirite
On Dakota Matrix
Other Available Muirite
WebMineral
View Muirite
Mindat
View Muirite
SOLD
Muirite - BW63898
Muirite - BW63898

Muirite

#BW63898
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Availability
Sold
Size
6 x 4.3 x 2.5 cm - Sm Cabinet 

Rich specimen with dozens of equant orange crystal grains less than 0.5mm. It is associated with flashy crystal grains of Sanbornite and Pyrrhotite.


Muirite

Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Crystal System
Tetragonal 
Crystal Habit
Anhedral Grains 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
orange, brown 
Streak
light orange 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2.5 
Collection
Bill Wilson Collection
Mineralpedia
View Muirite
On Dakota Matrix
Previously Sold Muirite
On Dakota Matrix
Other Available Muirite
WebMineral
View Muirite
Mindat
View Muirite
SOLD
Muirite - REW63859
Muirite - REW63859

Muirite

#REW63859
Locality
Esquire #7 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Availability
Sold
Size
2.5 x 2 x 2 cm - Thumbnail 
Tagged
Ba Silicates , bariium  
Special Info
Type Locality 

Equant glassy orange crystal grains. 


Muirite

Formula
Ba10Ca2Mn2+TiSi10O30(OH)10 
Crystal System
Tetragonal 
Crystal Habit
Anhedral Grains 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
orange, brown 
Streak
light orange 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
2.5 
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Muirite
On Dakota Matrix
Previously Sold Muirite
On Dakota Matrix
Other Available Muirite
WebMineral
View Muirite
Mindat
View Muirite
Pellyite - REW63869
Pellyite - REW63869

Pellyite

#REW63869
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba2CaFe2+2Si6O17 
Availability
Available
Price
$40.00
Size
3 x 2 x 2 cm - Thumbnail 
Tagged
Ba Silicates , barium  

Glassy brown veins in Quartz. It is probably an early stage mineral but some of the specimens transect Sanbornite foliations.


Pellyite

Formula
Ba2CaFe2+2Si6O17 
Crystal System
Orthorhombic 
Crystal Habit
Massive 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
colorless, light yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
6 
Collection
Robert E. Walstrom collection
Mineralpedia
View Pellyite
On Dakota Matrix
Previously Sold Pellyite
On Dakota Matrix
Other Available Pellyite
WebMineral
View Pellyite
Mindat
View Pellyite

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