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8 specimens found
1 |

Malachite Slice of stalactitic nodule
stock #18.1-218
Katanga, Central Area, Katanga Copper zone
Shaba, Democratic Republic of Congo (Zaire)
5.4 x 4.5 x .5 CM (small cabinet/ large miniature)
price: $380
Spring update

Sharp and colorful pattern is well presented on both sides of this cross section of Malachite. Good polish and fine contrast in the banding that is "cauliflower" in form. This sort of quality slice was at one time more common but now is quite scarce. A modern classic.
Cuprite -Large complex crystal on Malachite
stock #0739-JM-1693
Dikuluwe Mine, Kolwezi
Shaba, Democratic Republic of Congo (Zaire)
7 x 6.6 x 3.8 CM (cabinet)
price: $880
Spring update

A large, somewhat crude red Cuprite octahedron (3.5 CM) with some unusual growth features and complex faces sets nicely on Malachite matrix. Two of the faces have odd holes (one circular, one triangular) and several parts of the crystal show stepped regrowths. Great color contrast, with backlighting the Cuprite glows a brilliant cherry red. We have not backlit the specimen as that can be misleading, but the cuprite is fully translucent and seems to be facet grade clear red inside. Ex John Marshall collection (his label and card are included) acquired in 1990 from G. Gauthier.
Malachite -stalactitic form, cross section slab
stock #17.1-699
Katanga, Central Area, Katanga Copper zone
Shaba, Democratic Republic of Congo (Zaire)
5.6 x 3.6 x .4 CM (cabinet)
price: $280
Pre Holiday 2017

Sections of stalactitic Malachite can be quite esthetic, especially when the form is more complex and with good color banding. This is an excellent example cut from materials collected in the 1990s. This style is now becoming rare with the "cauliflower" form. Complete edge rind all around, and polished on both sides.
Malachite - polished stalactitic section
stock #17.1-700
Katanga, Central Area, Katanga Copper zone
Shaba, Democratic Republic of Congo (Zaire)
6.8 x 5 x .4 CM (cabinet)
price: $350
Pre Holiday 2017

Sections of stalactitic Malachite can be quite esthetic, especially when the form is more complex and with good color banding. This is an excellent example cut from materials collected in the 1990s. Far better quality and form than average for this sort of slab. The double eye on this piece is especially striking. Polished on both sides but the "back" as seen was near to top knob of the malachite form and so has much more rind. Complete with great form and contrast.
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 eyecatching.
Dioptase (Unusual color and exceptional form)
stock #Alec 24-097
Luishia Mine, Katanga Province
Shaba, Democratic Republic of Congo (Zaire)
4.4 x 2.5 x 1.3 CM (miniature)
price: $975
Spring 2014

Striking, esthetic and unusual, this is a fine, undamaged piece with an "odd" color hue. The Shaba Dioptase can be quite impressive but rarely this delicate and sculptural with no matrix. The color in person looks almost a Malachite green but with a brilliant glassy luster, there is good transparency too as seen in some of the best Tsumeb Dioptase. A fine specimen from anyplace this is especially nice for Katanga area.
Dioptase (matrixless cluster)
stock #12.1-017
Tantara Mine, Shinkolobwe, Central Area
Shaba, Democratic Republic of Congo (Zaire)
3.4 x 2.8 CM (small miniature)
price: $525


A deep green cluster of larger than average Dioptase crystals without any matrix. The largest is just over 2 CM. Nicely composed, the color is excellent but the luster is not as bright as a top Tsumeb piece. The price is also a lot less than from Tsumeb! By naked eye this is in perfect condition and displays well, with 10x magnification some tiny edge chips are found. Eye catching, colorful and well crystallized piece.
Malachite (fibrous primary crystals)
stock #8.1-188
Katanga, Central Area, Katanga Copper zone
Shaba, Democratic Republic of Congo (Zaire)
8.5 x 5.6 CM (cabinet)
price: $95


A fine, fibrous crystallized primary malachite from the prolific mines of Katanga. Excellent color, satin sheen and luster, no damage. Malachite crystals over 3 CM abound. The recent finds of this material have been well appreciated, affordable and very attractive. Not all fine minerals are expensive!
8 specimens found
1 |