Chondrodite is an uncommon mineral and even more rare as a gemstone. Take a look at the inclusions. Many thanks to gemologists at GIA, Carlsbad, California for sharing the insightful story.
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Watches, Random Thoughts, and Things He Like.
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Wednesday, June 07, 2023
Tuesday, June 06, 2023
Three-Phase Inclusion In Alexandrite
Many thanks to Jamie Price of GIA Carlsbad, California, for sharing a gem inclusion story.
Monday, June 05, 2023
Unusual Solid Inclusions In Flame-Fusion Ruby
Take a look at the unmelted alumina particles in flame-fusion synthetic ruby. The inclusions can be easily confused for natural inclusions of natural ruby. Many thanks to GIA New York for sharing the story.
Thursday, February 02, 2023
Aegirine In Poudretteite
Micro-Raman analysis has identified the inclusion as aegirine, the first discovery of this mineral in poudretteite from Mogok, Burma.
Wednesday, February 01, 2023
Copper Confetti Inclusions In Chalcedony
A fascinating chalcedony from Indonesia. A storyteller.
Tuesday, January 31, 2023
Horsetail-like And Columnar Inclusions In Demantoid Garnet
Horsetail-like inclusions often occur in a radial form in demantoid garnet, but these were quite unusual showing random spiral or coil-like structures throughout the stone. As always, nature has no rules.
Thursday, September 08, 2022
Inclusions In Gemstones
A fascinating field of study. Inclusions are important for determining the natural, synthetic, or treated character of a gem, and for establishing the likely geographic origin of a valuable colored gemstone. Take a look a few well-documented inclusions in popular gemstones.
Tuesday, September 06, 2022
Topaz Crystals In Red Beryl
Nature has no rules. It is not surprising to see topaz as a mineral inclusion in red beryl.
Saturday, September 03, 2022
Friday, September 02, 2022
Boomerang Inclusion In A Rough Topaz
Take a look at tantalite inclusions in an unusual position in the crystal. Inclusions are always full of surprises.
Thursday, September 01, 2022
Fracture-Filled Emerald with Mysterious Filler Patterns
Visually interesting. The pattern could be interpreted in a variety of ways. Hats off to Ungkhana Atikarnsakul.
Monday, June 13, 2022
Inclusions And Spectroscopic Features Of Yellowish Green Enstatite
Take a look at the insightful report by the research gemologists at GIT Gem Testing Laboratory. Practicing gemologists should take note.
Wednesday, June 08, 2022
Hydrothermal Synthetic Ruby
Standard gemological tests plus EDXRF should help separate synthetic hydrothermal ruby from natural ruby.
Tuesday, June 07, 2022
Nail-Head Spicule In A Russian Emerald
Take a look at the typical inclusion in a Russian emerald.
Sunday, June 05, 2022
An Amazing Fingerprint In Spinel
It is always fascinating to watch endless combination of inclusion patterns in gemstones.
Friday, June 03, 2022
Complex Fluid Inclusion In Topaz
Nature has no rules. Fluid inclusions in topaz or any colored stones are always a delight for gemologists studying inclusions.