Formula: Mn²⁺₃B₇O₁₃Cl
Mineral class: borates
Crystal system: orthorhombic
Mohs scale: 7
Density (g/cm³): 3.5
Cleavage: -
Colors: colorless, violet
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest Chambersite: 2 cm?
Deposits:
Zhongxinchun B-Mn / Pinggu District / Beijing / China
Dongshiuchang B-Mn / Zunhua District / Tangshan / China
Venice Salt Dome / Lake Hermitage / Plaquemines Parish / Lousiana / USA
Barbers Hill Salt Dome / Mont Belvieu / Chambers County / Texas / USA
Pomyarka / Truskarets / Ukraine
1st Description: 1962
History:
• Chambersite crystals were discovered in 1957 in brine returns from a gas storage well (storage well no. 1 / Texas Natural Gasoline Corporation) in the Barber's Hill salt dome, Chambers County, Texas.
• The crystals of the first discovery were described in 1962 by R.M. Honea and F.R. Beck.
• Description of new finds in China by D. Fan, P. Yang, R. Wang, in 1999.

Chambersite Mineral

Size of the crystal: 0.8 x 0.8 x 0.8 cm

Origin: Barbers Hill Salt Dome / Mont Belvieu / Chambers County / Texas / USA

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Chambersite Mineral

Size of the crystal: 0.7 x 0.6 x 0.6 cm

Origin: Barbers Hill Salt Dome / Mont Belvieu / Chambers County / Texas / USA

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Chambersite Mineral

Size of the crystal: ~ 0.8 cm

Origin: Barbers Hill Salt Dome / Mont Belvieu / Chambers County / Texas / USA

Photo by kind permission of © www.mineralman.com, Jasun McAvoy.

Chambersite

Weight: 0.34 ct

Origin: Barbers Hill Salt Dome / Mont Belvieu / Chambers County / Texas / USA

Photo by kind permission of © http://rock-logic.tripod.com/, Alexandra Woodmansee.