La Ciénaga Grande pegmatite, Sierra Calchaquí, Amaicha del Valle District, Tafí del Valle Department, Tucumán, Argentina
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The pegmatite appearing in "La Ciénaga Grande" consists of external marginal areas and core, finding crystals of Beryl in both areas and the nucleus with common quartz of a thin thickness, not coming in part to twenty centimeters. From the point of view megascopic notes are Garnet, Feldespar, Tourmaline and Muscovite. Generally North-South direction, in some cases almost always sloping, angular variations to the East (South - 135 ° East), being consistent with the schistosity.
In general this Beryl appears like as clear white color to greenish and sometime bluish, with crystals well formed no more than 30 to 40 centimeters in length.
6 entries listed. 3 valid minerals.
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