Dramatic Color Zoning in Alexandrite
Figure 1. The 8.55 ct alexandrite in daylight (left) and incandescent light (right). Photos by Nuttapol Kitdee.
Blue Inclusion in Rock Crystal Quartz
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
Figure 1. This 26.72 ct Maxixe beryl has an unusual violet color. Photo by Diego Sanchez.
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Tree in Rock Crystal Quartz
Figure 1. This 80.60 ct rock crystal quartz cabochon contained an interesting tree-like metal sulfide inclusion. Photo by Robert Weldon.
MARCH BIRTHSTONE
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
Aries – Diamonds and Bloodstone
Aries has two lucky stones, Diamonds and Bloodstone. Jewels are the hardest gemstone of...
Oiled Spinel
Figure 1. Bojan brand “King Ruby Red Oil” from Chanthaburi, Thailand, along with a parcel of rough Thai rubies purchased by...
Blue Spodumene
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
Figure 1. This 4.8 cm pale blue sapphire crystal contained numerous purple spinel crystals on the surface. Photo by Angelica Sanchez;...
FEBRUARY BIRTHSTONE
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
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
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
RAPAPORT... Rough-diamond demand was robust at this week’s De Beers sight despite the ongoing Covid-19 crisis in India, customers reported.
