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Mineral Specimens

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9 specimens listed
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Chrysocolla - druzy sprays
stock #20.1-325
Inca De Oro, Chanaral
Atacama Region, Chile
8.3 x 7.9 x 6.8 CM (cabinet)
price: $350


Colorful, sparkling sprays of radiating Chrysocolla filling a vug in ore. The drusy Quartz covers the Crysocolla and there is a zone of light blue druzy as well. In fine condition, this deposit has been exhausted for many years these Chrysocolla are modern classics.
Quartz on Chrysocolla and Malachite
stock #20.1-176
Phelps Dodge Morenci Mine, Morenci, Copper Mt. Mining District, Greenlee
Arizona, United States
11.6 x 8.1 x 6.2 CM (cabinet)
price: $1100
Spring 2020

A large colorful Copper secondary display specimen from an old find in Arizona. A druze of tiny clear Quartz crystals is covering many green Malachite balls and areas of bright blue Chrysocolla. The overall effect is sparkling and vivid in person. A sizable specimen from Morenci. The bulk of the matrix is layers of Chrysocolla in several shades of blue looking like a rich Turquoise. Some of those thin layers seem to be "gem Silica" that when thick enough is highly sought after for Lapidary. These layers are too thin for that and the surrounding Chrysocolla is quite brittle besides. The matrix has been properly stabilized to keep it from cracking as some Chrysocolla can do. This piece is early sixties vintage and simply eyecatching.
Chrysocolla Pseudo after Malachite after Azurite
stock #20-FC-025-(9121)
Whim Creek Copper Mine, Whim Creek, Roebourne Shire
Western Australia, Australia
6.8 x 5.2 x 4.2 CM (cabinet)
price: $420
Spring 2020

A super example of this classic Pseudomorph with excellent sharp form and intense blue-green color. The Chrysocolla has completely replaced the Malachite which had replaced rosettes of Azurite. These rosettes are perfectly preserved. As a bonus the matrix on this is heavily sprinkled with small, gem clear Wulfenite crystals. The last find of this habit was in 1985, the mine is long closed and no more are to be had. These Chrysocolla rosettes have excellent sharp detail, waxy luster and the incredible color. Choice.
Chrysocolla PS after Malachite after Azurite
stock #15.1-330
Lupoto mine, Lubumbashi, Katanga Copper Crescent
Katanga (Shaba), Democratic Republic of Congo (Zaire)
9.1 x 8.1 x 5.9 CM (cabinet)
price: $780
Dec 2018

An eye-catching complex cluster of very sharp crystal forms that show clearly the original shape of the Azurite crystals that were altered to Malachite and are now nearly all Chrysocolla. A few of the smaller crystals have broken section that show the core of unaltered Malachite. Other crystals are now hollow as well, reaching up to 3.2 CM long. Overall this is a delicate specimen that is very 3 dimensional and a choice cast form . One of the mineralogical discoveries that made big news about 2 years ago, these are now quite scarce on the market.
Chrysocolla - drusy Quartz overgrowths
stock #18.1-433
Inca De Oro, Chanaral
Atacama Region, Chile
4 x 2.6 x 1.7 CM (miniature)
price: $280
Late Summer 2018

Super bright color and sparkling luster, this has a tiny bit of Malachite remaining but most all is pure Chrysocolla. The Chrysocolla shows the elongated forms of primary Malachite crystals which it has replaced. The brilliant blue fingers on this piece are radiating outward from a Gossan matrix and are fully encased with clear, sparkling Quartz. Fine and delicate, in excellent condition and with strong display impact.
Quartz on Chrysocolla Pseudomorphs
stock #18.1-130
Inca De Oro, Chanaral
Atacama Region, Chile
9.1 x 6.8 x 5.2 CM (cabinet)
price: $800
Spring update

Brilliant sparkling blue Chrysocolla overgrown by gem clear druzy Quartz. The Chrysocolla has replaced earlier acicular crystals of Malachite. The individual needles reach 1.5 CM A single broken needle off to the side seems to show a core of Dioptase but we are told these are in fact Malachite, the core area is rather gemmy and very bright. No matter what the original material this is very esthetic and totally different from any other Chrysocolla. An attractive, intriguing and unique Copper specimen!
Chrysocolla Ps after Malachite (after Azurite)
stock #15.1-329
Lupoto mine, Lubumbashi, Katanga Copper Crescent
Katanga (Shaba), Democratic Republic of Congo (Zaire)
8.3 x 6 x 3.9 CM (cabinet)
price: $380
new june 17

Really fine form and rich color on this specimen from the recent finds at Luputo. The pseudomorph retains the shape of the original Azurite crystals that were rep[laced by Malachite and finally replaced by the blue Chrysocolla. The delicate array of crystals is on a Gossan matrix and in excellent condition despite the fragility. The discovery of this material made big news in the mineral world. This is a choice example with particularly distinct crystal shapes well presented.
Chrysocolla pseudo after Azurite/Malachite
stock #15.1-490
Lupoto mine, Lubumbashi, Katanga Copper Crescent
Shaba, Democratic Republic of Congo (Zaire)
8.3 x 6.9 x 5.3 CM (cabinet)
price: $400
May 2015

One of the most exciting new finds this year are these very colorful pseudomorphs from the Congo. This specimen is especially well-formed with big (up to 6.2 cm) sharp crystals showing Azurite form. The crystals are now hollow casts with a small amount of residual Malachite seen inside with magnification. The entire specimen is covered with tiny, sharply terminated crystals of deep blue Chrysocolla. In fine condition esthetic and eye-catching.
9 specimens listed
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