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Graeber Jones Pocket

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The Graeber Jones Pocket was the first pocket discovered at the Diana Maria mine during June 2017. Initially it contained green, interpenetrant twinned fluorite crystals usually growing on equant, stubby quartz crystals, milky in appearance and tinged slightly yellow due to iron. The outer faces of the fluorite crystals tend to be a gemmy sea-green, with many of the centres slightly cloudy, in paler, mossy shades of green. This small zone quickly gave way to beautiful deep leaf-green to emerald-green twinned fluorites, often with distinct colour zoning. Zoned crystals often have a gemmy intense blackberry-purple centre surrounded with gemmy green faces. It is observed that these fluorites always grow on stubby quartz crystals, often of stalactitic form.

Named for Charles Clavert “Cal” Graeber Jr., well-respected USA collector/dealer and one of the previous owners of Rogerley mine, and for British collector/dealer Ian Jones.

Figure: Fluorite with cloudy green centres on quartz, Graeber Jones Pocket; 6.7 x 6.4 x 4.3 cm. Photo: Crystal Classics.

Figure: Colour-zoned fluorite on quartz, Graeber Jones Pocket; 6.0 x 4.7 x 3.3 cm. Photo: Crystal Classics.

Figure: Fluorite on quartz, Graeber Jones Pocket; 10.6 x 5.8 x 4.5 cm. Photo: Crystal Classics.

Figure: Close-up of the specimen featured in the photo above, showing beautiful and intense colour-zoning. The main crystal measures approximately 1.8 cm along its top right edge. Graeber Jones Pocket. Photo: Crystal Classics.

Figure: Fluorite on quartz with strong colour zoning. Graeber Jones Pocket; 7.0 x 6.1 x 2.9 cm.

Figure: Fluorite on quartz. The same specimen displaying strong daylight fluorescence. Graeber Jones Pocket; 7.0 x 6.1 x 2.9 cm.

Figure: Fluorite with blackberry-purple corners and mossy-green interiors. Graeber Jones Pocket; 10.1 x 11.0 x 4.5 cm. Photo: Crystal Classics.

Figure: Fluorite with quartz. The uppermost cubic crystal measures 1.7 cm on edge. Graeber Jones Pocket; 14.5 x 12.2 x 6.5 cm. Photo: Crystal Classics.