There’s a thin line visible in the stone, yet it seems to disappear when the stone is rotated. Is this a surface scratch on the table facet, a reflection of a facet junction, or an inclusion within the stone? This…
Put a blue gemstone on a white display tray and you may think of sapphire right away. Put a green one next to it and you may think of emerald. That seems reasonable, but it’s not enough to identify the…
It’s possible to have two stones that are both green yet they will appear to have distinctly different colors. One may appear more yellow, lighter, and less intensely colored. The other may appear more blue, darker, and more intensely colored…
10x loupe: How to hold and focus without dropping your stone. The loupe should be held right next to your eye, rather than moving in front of the stone. So, hold the loupe close to the bottom of your eye-brow,…