ZIRCON, QUARTZ – Malawi – GFS0403

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 280,00 +TAX

Zircon, smoky Quartz

Mount Malosa, Zomba, Southern Region, Malawi

5,5×2,5×2 cm.

In this specimen, two elongated and well-aligned smoky Quartz crystals with excellent luster are highlighted, exhibiting an irregular internal smokiness characteristic of this locality. Another feature of this specimen, which makes it rare, is the presence of small yellow-orange Zircon crystals on the surface. We can conclude that we are dealing with a highly representative sample of this locality, rare for association, showcasing excellent crystallization all around and remarkable elegance.

The geology of Malawi is characterized by Precambrian metamorphic and igneous rocks which form part of the polyphase East African Orogen. Rift-related sedimentation and igneous activity during the late Paleozoic (Karoo System) and the late Mesozoic (Chilwa Province) have produced a great variety of rocks that underwent strong chemical weathering and erosion when the entire region received its final shape by peneplanation and fluvial incision during the Cenozoic under (sub)tropical climatic conditions. The prevailing lithology comprises crystalline rocks of Precambrian age, in large parts, covered by a blanket of Cenozoic rocks. Paleozoic and Mesozoic units are patchily distributed. Nevertheless, some of these rocks, especially those of Permo-Triassic and Jurassic to Cretaceous age, deserve special attention as they host significant non-metallic deposits.

The Zomba Plateau, also called Zomba Massif, is a mountains group in southern Malawi. The plateau is roughly pear-shaped and composed by twoo areas, the southern portion is known as Zomba Mountain and the northern portion as Malosa Mountain. The plateau largely made up of granitic syenite, an igneous rock that intruded into the older metamorphic rocks that make up the highlands during the late Jurassic and Cretaceous periods 150-65 million years ago.

Mount Malosa consists of a heterogeneous mixture of pegmatite syenite and granite; the geology of the region that contains the aegirine-bearing pegmatites has been fairly well documented and from the collector’s standpoint well known for producing outstanding crystals of Aegirine associated with aesthetic smoky Quartz, Microcline, and Zircon. However, with further research conducted in recent decades, many other rare species such as Parisite, Epididymite, Fergusonite and Eudialyte have also been discovered. For more info    and  

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