Gemstone Magnetism: The Forgotten Property
Although gemstone magnetism isn’t commonly tested, it can help gemologists distinguish similar looking gems. Learn how to analyze this property.…
Sapphire Simulants: Blue Gemstones
Blue is one of the rarest colors in nature. Nevertheless, blue gemstones are always in demand for jewelry. While people have adorned themselves…
Interview with Jeffery Bergman
In a recent phone call, Jeffery Bergman of Primagem, discussed his career in the gem trade. His decades-long career has taken its share of twists…
Gemstones from the Earth
I specialize in cut stones, cabochons, beads, rough, and necklaces. Been in the business since 2009. Import rough and cut stones from Peru, eastern…
An Interview with Sapphire Expert Jeffery Bergman
In a recent interview, Jeffery Bergman talks about his decades-long career as a sapphire expert and connoisseur and offers his advice for beginners.…
Ruby Simulants: Red Gemstones
For centuries, people have adorned themselves with red gemstones. Red has had strong symbolic associations with love, passion, fire, and blood,…
Introduction to Tridacna Pearls
While oysters and mussels produce nacreous pearls, clams of the Tridacna genus yield pearls of a different nature. With their entrancing flame…
Pearl Buying Guide
A fine pearl has a beauty akin to moonlight or mist, an ephemeral quality that seems impossible for a solid object to hold. Civilizations value these…
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