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Pala International’s Featured Stones – 2012

Featured in Pala’s Gem News. See 2009–2011 Featured Stones here. See 2005–2008 Featured Stones here.

April 16: Burmese Spinel & Sri Lankan Sinhalite

This month we feature a couple of new jewels Bill was able to buy on a recent trip to Thailand and Burma. Other highlights included natural rubies from Mozambique, natural blue sapphires from Sri Lanka and Madagascar, blue zircon from Cambodia, and many other rare ones like hackmanite and amber from Burma.

Spinel photo image
Red spinel from Burma, 3.23 ct, 9.78 x 7.66 x 5.92 mm. Ask for Inventory #20075. (Photo: Mia Dixon)

Red spinel has been in high demand recently, while the supply is slow to fill the increasing interest. This intense orangey-red spinel exhibits the highly saturated reds that many collectors are looking for. The Pala team is always happy to welcome another spinel into our family even though they seem to move out fairly quickly. Enjoy this one while it lasts.

Sinhalite photo image
Golden sinhalite from Sri Lanka, 14.36 x 11.64 x 7.93 mm. Inventory #20073. (Photo: Mia Dixon)

Sinhalite was first identified as a new mineral species in 1952, previously thought to be a brown peridot because of its similar properties and color. Sinhalite is in the borate mineral group and is formed in metamorphic environments. This golden sinhalite is exceptional in size and color for this unusual species. Yet another exquisite gem to be plucked from the mineral-rich lands of Sri Lanka.

Interested? Select the invtentory numbers above, call or email us to inquire. [back to top]


March 15: Ethiopian Opals

In recent times play-of-color opal has been discovered in Ethiopia’s Shewa Province (1994) and Wollo Province (2008). The Shewa material turned out to be very unstable and unsuitable for jewelry, while the Wollo opal was more stable and exhibited an unusual property know as hydrophane, i.e., the latter opals came out of the ground very porous, possessing the ability to absorb water. The rich rainbow of colors and transparency are a recipe for beautiful gems. The Wollo opal has the most similarities to the Mexican fire and water opals with play-of-color.

Opals photo image
Thirsty. Wollo opals from Ethiopia show a bounty of colors: clockwise from top, 2.75 ct, Inv. #19278; 3.38 ct, Inv. #19407; 3.4 ct, Inv. #19274; 1.86 ct, Inv. #19284. (Photo: Mia Dixon)

Interested? Select inventory numbers above, call or email us to inquire. [back to top]


February 15: Purple-Pink Zoisite from Tanzania

This month we feature a purple-pink zoisite from Tanzania. The Merelani mines have produced large amounts of blue-to-purple tanzanite since its original discovery in 1968. The mines also have produced gem quartz, diopside, prehnite and calcite. Occasionally pink and purple zoisite (often referred to in the trade as pink tanzanite) is unearthed in small, localized pockets, but production of these colors is very limited.

Zoisite photo image
Purple-pink zoisite, 4.28 carats, 12.18 x 8.89 x 5.61 mm, ask for Inventory #19821. (Photo: Mia Dixon)

When the team at Pala first saw the intensity and brilliance of this jewel we figured it was a spinel or kunzite. We were all shocked to hear it was in fact a natural zoisite, and the color was unlike any we had seen in the past. Apparently the small series of pockets that produced this purple-pink color only yielded a few pieces of facetable rough. Luckily we were able to score this 4.28-carat gem before the AGTA show began. Pala’s supplier was quite confident that this stone was perhaps the finest single gem produced from these pockets.

Interested? Call or email us to inquire. [back to top]


January 18: Brazilian Paraiba

This month we feature a set of tourmalines from the original mining area in Brazil. The pegmatite that produced these copper-bearing beauties spans the states of Paraîba and Rio Grande do Norte. Distinguishing which side of the border an individual stone was mined from has been trying, even for the most highly equipped laboratories around the world.

Paraiba Tourmalines photo image
Brazilian Paraiba. Blue green center oval, 2.8 carats, 9.22 x 7.8 x 5.57 mm, and the green teardrop pair, 2.51 carats, 7.5 x 6.3 x 4 mm. (Photo: Mia Dixon)

Whichever state these paraibas were actually mined from seems irrelevant as you take in the light and color that is unlike any other gem on the planet. Dazzling neon hues of blue and green in a perfect medium tone, with saturation tilting the scales of what’s possible for a natural gemstone.

Throughout the year Pala is fortunate enough to have a handful of true Brazilian paraibas pass through our doors even though the mines have been exhausted for several years now. We also have a good supply of the now depleted Mozambique deposit. Contact us or check our inventory to see what’s available.

Interested? Call or email us to inquire. [back to top]


See 2009–2011 Featured Stones here.

See 2005–2008 Featured Stones here.