Located about 60 miles east of San Diego, a new emerald deposit has been discovered…
COLOURED GEMSTONES
Brother and sister Isaac and Sofia Andreou have discovered a miraculous opal deposit near the…
Why are pearls so popular right now? In January, US Vice President Kamala Harris wore…
An interesting tuft of light blue needles was recently observed in a polished modified cube…
Recently the authors examined a 4.8 cm tall pale blue sapphire crystal (figure 1) that…
Numerous gem materials have been designated “trapiche” in the trade and in various publications. They…
Recently examined in the Carlsbad laboratory was a 26.72 ct transparent violet modified cushion mixed-cut…
A white, non-nacreous baroque pearl weighing 15.53 ct and measuring 19.54 × 13.26 × 11.57…
Amplified with an assortment of precious gemstones, pearls and polkis, jadau jewellery still retains a…
The Carlsbad laboratory received for examination two dark-colored bead cultured pearls embedded with an electronic…