RARE COLLECTOR GEMSTONES (fall 2010 update)


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RLKG10-141 - Natrolite - $ 450 SOLD
Chimney Rock, Bound Brook, New Jersey

thumbnail, 21.1 x 6.3 mm ; 4.57 carats
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Natrolite from Chimney Rock, Bound Brook, New Jersey [db_pics/new2010/rlkg141a.jpg]Natrolite from Chimney Rock, Bound Brook, New Jersey [db_pics/new2010/rlkg141b.jpg]

Natrolite is one of the very few facetable Zeolites in the world. This stone is from the recent collecting at Bound Brook, New Jersey. This gem is an exceptionally rare, very very slightly included hard to find, "collector's" stone. The fact that the stone is so clean makes it pretty special. The cut on this stone is a Rectangle cut. If you're a serious gem collector, you need one of these in your collection, especially if you like to collect gems from North America, or simply from the United States.


RLKG10-138 - Willemite (rare blue color) - $ 100 SOLD
Tsumeb, Namibia

thumbnail, 2.9 mm ; 0.15 carats
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Willemite (rare blue color) from Tsumeb, Namibia [db_pics/new2010/rlkg138a.jpg]Willemite (rare blue color) from Tsumeb, Namibia [db_pics/new2010/rlkg138b.jpg]

Willemite is only known from a few world localities in gem quality material, and some of the finest and most attractive stones that I have seen are those from the storied Tsumeb mine. Willemite from Franklin is known is good-sized stones, but the color NEVER looks like this gem ! The gorgeous light ocean-blue color Round cut gem is unique to Tsumeb to my knowledge, and for rare stone collectors, blue Willemite is certainly a must-have when it comes to completing your collection. This stone is very slightly included, but the color and rarity of the stone is what makes it so important. I have seen cut stones of this exact material retailing for $1500 per carat on the market, so don't miss out on this great opportunity to snag a COLORFUL rare gem from one of the most prolific localities in the world for a great price. Enjoy !


RLKG10-135 - Kornerupine - $ 50 SOLD
Madagascar

thumbnail, 3.5 mm ; 0.19 carats
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Kornerupine from Madagascar [db_pics/new2010/rlkg135a.jpg]Kornerupine from Madagascar [db_pics/new2010/rlkg135b.jpg]

Kornerupine is a rather rare stone, which is not often seen in rich colors (usually only brown or yellow). This stone is a very attractive, green color, virtually eye clean with a Round cut. I have to say that this is one of the better Kornerupines for color and clarity that I've offered in the gallery. They are not as common as one might think and this gem doesn't get much credit because it usually occurs in such somber colors.


RLKG-139 - Rhodonite - $ 500 SOLD
Morro da Mina mine, Brazil

thumbnail, 8.8 x 4.1 mm ; 1.00 carats
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Rhodonite from Morro da Mina mine, Brazil [db_pics/new2010/rlkg139a.jpg]Rhodonite from Morro da Mina mine, Brazil [db_pics/new2010/rlkg139b.jpg]

Rhodonite is rarely found in large enough gem sections to facet stones, and despite is simplistic chemistry, it is a relatively rare mineral. The only gem quality Rhodonite that I've seen is from the Morro da Mina mine in Brazil. These stones are rarely eye clean, but they are gem quality Rhodonite and very well known among rare gem collectors. This particular stone has a few slight inclusions, but the color is a rich pink (very similar to smaller Sweet Home Rhodos). The cut on the stone is an Oval cut. There's truly only one mine where you can get gems of this material in the world. I must say that since the stone is somewhat small it was not the easiest gem to photograph, and it does look very nice in person, even though the photos are a bit fuzzy. Nonetheless, it is a beautiful rare gem to add to a rare stone collection. Keep in mind that not all Rhodonite is pink, as there are localities that produce dark brown Rhodonite which is not nearly as attractive as this material



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Rob Lavinsky, rob@irocks.com

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