Asterism or the star effect is an example of an optical effect found very rarely in a small number of gem types cut as cabochons. |
A few specimens from the Red Dwarf deposit have recently been cut into cabochons, but none have yet been faceted. |
This is a very good example of the way Roger Scémama combined almond-shaped stones and cabochons. |
Using the different shades of the turquoise cabochons as my color guide, the gauntlet was thrown. |
She flung out an arm and touched heavy gold-embroidered silk and the cold smoothness of sapphire cabochons. |
It is commonly fashioned into cabochons which is a cut that maximizes the chatoyancy of the mineral. |