Quartz

specimen number:
2292191

location:
Ourika Valley, High Atlas Mtns., Morocco

description:
Attractive stalactitic crystallized quartz coming off matrix. In good condition.

The Ourika Valley, situated within the High Atlas Mountains of Morocco, contains notable localized mineral zones famous for producing striking collector specimens of crystallized quartz, often forming distinctive stalactitic aggregates or clusters heavily coated or colored orange by natural hematite and iron oxide inclusions. Geologically, the area cuts through a diverse crystalline basement dominated by Neoproterozoic granites, gneisses, and volcanic rocks, which are transected by extensive structural faults and shear zones. Hydrothermal fluids circulating through these fault systems precipitated silica within open fractures and vugs, facilitating the growth of well-formed, sparkly quartz micro-crystals and larger crystalline structures directly over the fractured basement rock. Small-scale artisanal extraction, prospecting, and surface quarrying have occurred intermittently along the valley slopes for over a century, with localized mining efforts fluctuating throughout the mid-to-late twentieth century under changing regional focus. While formal industrial corporate operations remain absent, independent local prospectors continue to actively surface-mine and dig these vuggy cavities, supplying vibrant crystallized quartz specimens to the regional collector market into the 2020s.

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