257.5 carat green turquoise specimen from Stone Mountain Mine

Weight: 257.5 carats

Dimensions: 83.5x47.6x5-12 mm

Description: A  vein section of turquoise vein from one of the largest vein complexes we ever discovered at Stone Mountain Mine, polished on one side. This is very hard turquoise! All the turquoise we sell is natural and untreated.