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Fine Jewelry University Articles matching: “wedding band”
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Fine Jewelry University
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The Magic of Polarized Light
… first filter. So, they stay light the whole time. Notice how this DR stone appears to blink as it is rotated. Snake Banding on Glass Gems Polarized light also has some interesting effects on stones that have strain structures in them. … a polariscope with crossed filters, something very strange happens. This visual phenomenon is referred to as snake banding, and it is a result of how the gem is formed. When the gem is cast, as most glass gems are, the inside cools at a …
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Gem in the Spotlight: Quartz
… colored material (otherwise more specific names are used) Sard Reddish-brown chalcedony Sardonyx White and brown banded Tiger’s Eye Fibrous gold to red-brown colored quartz, exhibiting chatoyancy Fossilized Wood Multi-colored and …Agate Multiple shades of green or brown moss like inclusions in chalcedony Onyx Black, also white and black straight banded agate Jasper Opaque chalcedony, typically red to brown but can be various colors Bloodstone Green jasper dotted …
