Peter Torraca:
Gas Bubble in Doublet
Peter Torraca:
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Peter Torraca:
Unhappy to be included
Peter Torraca:
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Peter Torraca:
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Peter Torraca:
Color Change Garnet
Peter Torraca:
Tourmaline study, 3 of 3
Peter Torraca:
Tourmaline study 2 of 3
Peter Torraca:
Tourmaline study, 1 of 3
Peter Torraca:
Dichorism in Tourmaline 1 of 3
Peter Torraca:
Dichorism in Tourmaline 2 of 3
Peter Torraca:
Dichorism in Tourmaline 3 of 3
Peter Torraca:
Dichroism in Tanzanite
Peter Torraca:
Poorly Cut Amethyst
Peter Torraca:
Sapphire Color Zoning
Peter Torraca:
Sapphire Color Zoning
Peter Torraca:
Mint Grossular Garnet Crystal (4 of 4)
Peter Torraca:
Mint Grossular Garnet Crystal (3 of 4)
Peter Torraca:
Mint Grossular Garnet Crystal (2 of 4)
Peter Torraca:
Mint Grossular Garnet Crystal (1 of 4)
Peter Torraca:
Natural vs. Heated Aqua
Peter Torraca:
Rubelite Tourmaline (After, 3 of 3)
Peter Torraca:
Rubelite Tourmlaine (Before, 2 of 3)
Peter Torraca:
Split Tourmaline
Peter Torraca:
Color-Change Synthetics Incandescent
Peter Torraca:
Color-Change Synthetics Fluorescent
Peter Torraca:
Danburite Light-ring
Peter Torraca:
I ♥ sapphire
Peter Torraca:
Fracture in moissanite
Peter Torraca:
Diamond Slices
