Mineral: | (Hydroxyl-) Herderite / Tourmaline , Variety: Elbaite / Albite, Variety: Clevelandite / Quartz
| Chemical Formula: | CaBe[(OH,F)|PO4] / Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) / NaAlSi3O8 / SiO2 | Size: | 79,6 x 46,0 x 38,6
crystal: 27,7 x 11,8 x 5,8 mm | Weight: | | Transparence: | translucent - transparent | Quantity: | | Origin: | Shengus (Shingus), Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan | He you get a rare paragenesis of herderite crystal with cleavelandite, quartz, muscovite and Indicolite. The bigger feldspar matrix is hosting a fully intact herderite crystal with fine luster. The other matrix is hosting several undamaged and twinned herderite crystals. The Indicolite shows bright to deep blue coloration, please note the Indicolite was broken apart shortly after the piece has been found. From this damage only a tiny fissure, visible only by careful inspecting of the prism faces. Nevertheless you get a very unusual association of minerals with a very bizarre shape!
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