The information is new to me. Many thanks to Gems & Gemology and GIA team for sharing a detailed report on the diagnostic features of beryl from Ukraine.
Showing posts with label GIA. Show all posts
Showing posts with label GIA. Show all posts
Monday, November 13, 2023
Eclogite: Diamond-Encrusted Ancient Seafloor
Many thanks to GIA researchers and Gems & Gemology for sharing an insightful report on the link between mineral inclusions and diamond. The origin of diamonds are always fascinating to read.
Yellow Sapphire: Natural, Heat-Treated, Beryllium-Diffused, And Synthetic
A must read for practicing gemologists, heat-treaters, and colored stone dealers. Many thanks to Gems & Gemology team for the insightful report.
Sunday, November 12, 2023
Special Colors And Optical Effects Of Oregon Sunstone
I love sunstone for its unique phenomenal effects. The GIA report on Oregon sunstone is a must read for practicing gemologists and colored stone dealers.
Useful link:
Iolite From The Thor-Odin Dome, British Columbia, Canada
The report by Philippe M. Belley on Canadian iolite is a must read for practicing gemologists and colored stone dealers. Many thanks to Gems & Gemology for sharing the insightful story.
Sunday, September 10, 2023
Hanadama Quality Pearl
According to GIA cultured Akoya pearls must display a combination of all the following characteristics: a round to near-round shape, white body color with or without overtone, excellent luster, clean to lightly spotted surface, excellent to very good matching, and sufficient nacre thickness and quality. When a pearl, strand or jewelry item meets the parameters for Hanadama, GIA will add a comment to the report. Many thanks to National Jeweler for sharing the information.
Saturday, August 26, 2023
Geocronite In Fluorite
Many thanks to gemological researchers at GIA Carlsbad for the insightful report.
Friday, August 25, 2023
Triplite Inclusions In Quartz From Yaogangxian China
Take a look at a rare triplite inclusion in a quartz specimen. Gem inclusion collectors should take note. Many thanks to gemologists in China and Gems & Gemology for sharing the insightful report.
Metallic Platelets In A Brazilian Paraíba Tourmaline
Many thanks to gemologists at GIA Carlsbad for the interesting report on typical inclusion patterns in a Brazilian Paraiba tourmaline.
Pink Zektzerite
Many thanks to gemologists at GIA Carlsbad for the insightful report on a faceted gem quality zektzerite.
Thursday, August 24, 2023
Ancient Script-Like Serpentine In Brown Peridot
Take a look at the thread-like inclusions in brown peridot from Vietnam. Many thanks to Gems & Gemology and gemologists and geologists from Vietnam for the insightful report.
Plastic Imitations Of Emerald
Plastic and plastic manufactured products are common imitations for emerald. Many thanks to gemologists at GIA New York for the interesting report.
Wednesday, August 23, 2023
An Eye On A Tridacninae Pearl
Take a look at the flame structure of a Tridacninae pearl. Many thanks to the gemologists at GIA Bangkok for the fascinating report.
Fine Linear Structures In Non-Bead Cultured Pearls
A must read for practicing gemologists, pearl dealers and consumers. Many thanks to gemologists and consultants at GIA Mumbai for the insightful report.
Two Pearls Of Indian Cultural Significance
A storyteller. Many thanks to gemologists and consultants at GIA Mumbai for the fascinating report.
Tuesday, August 22, 2023
Night Sky In Yellow Sapphire
Many thanks to gemstone analysts at GIA Bangkok for photographing the spectacular iridescent effect in a yellow sapphire.
A Fascinating Large South Sea Bead Cultured Pearl
Many thanks to pearl experts and consultants at GIA Mumbai and New York for the insightful report on a fine quality large round bead cultured pearl.
Pink Sapphire With Graphite Inclusion
Many thanks to gemologists at GIA Carlsbad for sharing an interesting gem inclusion story.
Monday, August 21, 2023
Guest In Garnet
Many thanks to Lotus Gemology and Gems & Gemology for sharing a beautiful garnet inclusion.
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