Laserblue Value, Price, and Jewelry Information
Laserblue is a rare, synthetic glass. It's hard for glass but easy to chip.
0International Gem Society
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Lapidary Technology Through the Ages: Laps and Polish
Early lapidary technology doesn’t differ from our modern tools as much as you might think. Learn more about the history...
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Why are Topaz and Citrine Gemstones Misidentified?
Learn why citrine gemstones are sometimes misidentified as topaz. A professional appraisal by an independent gem lab is the best...
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Identifying Garnets Simplified
Identifying garnets by species is complicated. Learn how to use refractive index, hue, and absorption spectrum readings to simply the...
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Staurolite Value, Price, and Jewelry Information
Staurolite crystals in opaque cross shapes are popular gemstones. However, this material is very rarely transparent or facetable. These dark...
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