How to Determine If a Feature is on the Surface or Inside a Gemstone
There’s a thin line visible in the stone, yet it seems to…
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Why Gemstone Color Alone Isn’t Enough for Identification
Put a blue gemstone on a white display tray and you may…
Understanding Hue, Tone, and Saturation: How to Document Gemstone Color
It’s possible to have two stones that are both green yet they…
How to Hold and Focus a 10x Loupe Without Losing the Stone
10x loupe: How to hold and focus without dropping your stone. The…