About gemdatID
Sphalerite
Specimen ID:
C9-QCF-CF
Gem(s)
Sphalerite
:
ZnS
Locality
Mindat locality:
Big Four Mine, Heeney, Green Mountain Mining District, Summit County, Colorado, USA
Dimensions
9.28mm x ?mm x ?mm
weight: 3.79 carats
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Description
This cut is referred to as an "Octagon Brilliant"
Previous data
Mineral(s)
Sphalerite
Brian Kosnar
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8,544 gemdatids have been issued as of 1st Jul 2025 3:11 am UTC
