Dramatic Color Zoning in Alexandrite

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Figure 1. The 8.55 ct alexandrite in daylight (left) and incandescent light (right). Photos by Nuttapol Kitdee.

Blue Inclusion in Rock Crystal Quartz

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Figure 1. This 118.16 ct polished modified cube of rock crystal quartz contains an interesting tuft of blue needles, which may...

Unusual Violet Maxixe Beryl

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Figure 1. This 26.72 ct Maxixe beryl has an unusual violet color. Photo by Diego Sanchez. ...

Tree in Rock Crystal Quartz

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Figure 1. This 80.60 ct rock crystal quartz cabochon contained an interesting tree-like metal sulfide inclusion. Photo by Robert Weldon.

MARCH BIRTHSTONE

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Aquamarine and bloodstone, March’s two birthstones, are very different when it comes to appearance, but they share a similar reputation for...

Lucky Stones For Zodiac Signs

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Aries – Diamonds and Bloodstone Aries has two lucky stones, Diamonds and Bloodstone. Jewels are the hardest gemstone of...

Oiled Spinel

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Figure 1. Bojan brand “King Ruby Red Oil” from Chanthaburi, Thailand, along with a parcel of rough Thai rubies purchased by...

Blue Spodumene

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Figure 1. This 29.59 ct spodumene with light blue color is quite rare. It has been reported that exposure to sunlight...

Spinel on Sapphire

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Figure 1. This 4.8 cm pale blue sapphire crystal contained numerous purple spinel crystals on the surface. Photo by Angelica Sanchez;...

FEBRUARY BIRTHSTONE

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If you were born in February, your birthstone is amethyst – the purple variety of quartz that has captivated mankind for...
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Latest article

US Jewelry Sales Leap in April

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RAPAPORT... Jewelry sales in the US more than tripled in April as consumers anticipated a return to gatherings and events, according to Mastercard...

Zircon in Jadeite Jade

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This doubly terminated tetragonal crystal in jadeite jade was identified as “high” zircon using Raman spectroscopy. Photomicrograph by Tyler Smith; field...

De Beers Sight Sees Strong Demand, Low Supply

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RAPAPORT... Rough-diamond demand was robust at this week’s De Beers sight despite the ongoing Covid-19 crisis in India, customers reported.
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