LARGE DISPLAY MINERAL SPECIMEN OF CRYSTALLINE TRONA FROM GREEN RIVER BASIN, WY

Description

THIS IS A
VERY LARGE DISPLAY SPECIMEN OF CRYSTALLINE TRONA.
THE SPECIMEN IS
APPROXIMATELY 14 X 12 X 5 cm
.  AND
WEIGHS ABOUT 3.5 LBS.
IT IS FROM
BED 15,  GENERAL CHEMICAL MINE, LITTLE AMERICA, GREEN RIVER BASIN, SWEETWATER CO., WYOMING.
THIS IS AN EXCELLENT EXAMPLE OF CRYSTALLINE TRONA AND IT HAS NOT BEEN SPRAYED.  IT WILL BE MAILED SEALED IN A ZIP-LOC BAG.  THE TRONA ORE IS THE SOURCE OF SODIUM CARBONATE USED IN THE MANUFACTURE OF GLASS, LAUNDRY DETERGENTS AND MANY OTHER PRODUCTS.  THE GREEN RIVER DEPOSIT IS THE WORLDS LARGEST KNOWN TRONA DEPOSIT.  IT DISPLAYS VERY WELL.  LARGE SPECIMENS LIKE THIS ARE HARD TO FROM THE MINE.  IT WAS COLLECTED IN 1989.  SEE PICTURES.  I WILL COMBINE SHIPPING WHEN POSSIBLE.  THANKS FOR LOOKING.