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This superb, rare combination specimen from Tsumeb has two major mimetite crystals arranged in a "vee" with gemmy blue tabular azurite and small wulfenite crystals. The mimetite crystals are perfect, striated and gemmy, measuring to 1.9 cm. From my personal collection. 9.4 x 4.5 x 2.5 cm.
Fine, translucent, lustrous twinned crystal of cerussite with a second, small bisecting twin. As with most of these crystals, it is partially incomplete and hollow as shown in the photos. Of superb quality and now uncommon on the market. 4.7 x 4.2 x 1.3 cm.
From the type locality, this is an extremely rare gem floater crystal of axinite-(Mg) (magnesioaxinite). The crystal is color-zoned from clear to pale salmon, has a superb vitreous luster, and has a sharp form. It fluoresces red to violet under LW UV. Figured in the Merelani issue of the Mineralogical Record. 3.3 x 2.2 x 0.5 cm.
Large, beautiful pseudomorph of malachite after azurite from Onganja. The malachite is well crystallized in velvety sprays, as can be seen in the close-up. The large crystal at the top is 6.0 cm long. 6.9 x 6.9 x 5.6 cm.
Nice 1.2 cm, complex, lustrous crystal of this rare sulfide mineral. The additional smaller crystals are mostly quite nice as well, although there is some scattered contacts and minor damage as shown in the photos. 7.7 x 6.7 x 5.0 cm.
Good specimen of pale yellow smithsonite and salmon-colored willemite from Berg Aukas. The smithsonite has the "wheat sheaf" crystal form common from this locality, some of which are doubly-terminated, and measures to 2.6 cm. The willemite is fluorescent. Better in person - it was difficult to photograph due to the low contrast of the smithsonite crystals. 6.2 x 5.1 x 2.2 cm.
Red, lustrous, translucent doubly-terminated cuprite crystals to 1.1 cm are on blue-green chrysocolla. Most crystals, including the largest, are in excellent shape. The Dikuluwe Mine is west of the better known Mashamba West Mine and specimens from here are less common. 8.4 x 8.0 x 3.6 cm.
The light blue chrysocolla of this specimen provides an excellent contrast to highly lustrous, red cuprite crystals which measure to 1.2 cm. There is also some bright green sprays of primary malachite present; the sprays measure to about 6 mm. I believe the brown crystals present are baryte. 4.5 x 3.3 x 2.9 cm.
Translucent, lemon-yellow crystals of londonite-rhodizite to 1.3 cm on matrix with crude red tourmaline crystals. The londonite-rhodizite fluoresces yellow under LW UV. A nice example of this rare borate. 5.5 x 4.8 x 4.1 cm.
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