Gem Focus – January 2021
Amber: An organic gem that serves as mother nature's enigmatic time capsule.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – December 2020
Black gems tend to be ranked towards the lower end of value chain in the gem market. Thanks to increasing interest in unusual gem materials and advertising, they recently have acclaimed quite a recognition.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – November 2020
Beads; The Original Jewelry Style The discovery of 13 deliberately perforated shell beads that were stained with red ochre and showed significant wear in the Grotte des Pigeons at Tafora in Eastern Morocco in late 2000s…
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – October 2020
While colorless zircon was considered a convincing substitute of diamond for centuries before cubic zirconia or moissanite appeared in the market, all other colors were enjoyed in their own merit thanks to its high dispersion.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – September 2020 – Iolite
The eye visible purple-violet pleochroism of iolite is often one of the first gems used to introduce gemology to beginners because of its almost magic like optical feature.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – August 2020
Gemstones with unusual optical effects are defined as phenomenal gems. Their unusual effect can designate a variety within a species and add value.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – July 2020
Clarity enhancement; probably the oldest gem treatment method...
*Gem Focus & Market Pulse (Free Subscriber)Kunzite: a rosy spodumene with an American name
Spodumene is almost exclusively a pegmatitic mineral of the pyroxene group that forms in monoclinic system with a chemical formula of LiAlSi2O6. Its hardness is 6.5 to 7 on the Mohs’ scale and displays perfect prismatic cleavage. Transparent and colored varieties show strong pleochroism. Strangely, the name spodumene means “ash-colored” in Greek referring to the dull and colorless examples when it was first named in the second half of the 19th century.
*Gem Focus & Market Pulse (Free Subscriber)Engraved Gems
Engraved Gems. Timeless Seals and Canvases of Ancient Scenes.
*Gem Focus & Market Pulse (Free Subscriber)Sphene: A Mineral Emanates Fire with Two Names.
Titanite, as it is known to modern mineralogists for its significant titanium content, was first recognized as a new mineral by the great German chemist Martin Heinrich Klaproth in 1795. Soon after its discovery, in 1801, the wedge-shaped crystals inspired the mineralogist Rene Just Haüy, the name bearer of mineral hauyne, to introduce the name “Sphene” after “sphenos,” meaning wedge in Greek.
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