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1 item @ $25.00   30:00
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Trona

#46318
SOLD
Trona from Green River Formation, Sweetwater Co., Wyoming, United States - 46318
Trona from Green River Formation, Sweetwater Co., Wyoming, United States - 46318

Trona

#46318
Availability
Sold
Size
12 x 11 x 5.5 cm - Cabinet 
Formula
Na3(HCO3)(CO3)·2H2O (RRUFF)
Locality
Green River Formation, Sweetwater Co., Wyoming, United States
Tagged
carbonate

A compact columnar pure mass which transmits quite a bit of light.

The specimen comes from the Green River Fm, which hold the largest deposits of Trona in the world. The Trona occurs in layered deposits formed from evaporites of the Paleogene period 23-43 MYA. 

Trona

Formula
Na3(HCO3)(CO3)·2H2O 
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Columnar, Massive 
Cleavage
Perfect, Indistinct, Indistinct 
Luster
Vitreous (Glassy) 
Color
colorless, gray white, grayish, yellowish, yellowish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Sub Conchoidal 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
Chris van Laer Collection
Mineralpedia
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WebMineral
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