Hsianghualite

Hsianghualith is a rarely occurring mineral from the mineral class of " silicates and Germanates ". It crystallizes in the cubic crystal system with the chemical composition Ca3Li2 [F2 | Be3Si3O12 ] and usually develops granular to massive, often colorless or white and translucent mineral aggregates.

Etymology and history

Hsianghualith was first discovered in Xianghualing Mine (English: Hsianghualing mine ) and described in Chenzhou in Hunan Province in China in 1957 by the scientist Huang Yunhui, who named the mineral after its type locality. The Chinese word (Chinese香花 石, Pinyin xiānghuāshí ) but also stands for " fragrant flower ".

Classification

In the old ( 8th edition ) and the new classification of minerals ( 9th Edition ) by Strunz the Hsianghualith belongs to the Department of framework silicates ( tectosilicates ). This department has been divided since the Strunz'schen Mineral classification reissue on and partially redefined, so that the mineral now in the department and sub-department " framework silicates ( tectosilicates ) with zeolitischem H2O; Family of zeolites " is.

The classification of minerals according to Dana sorted the Hsianghualith in the department " tectosilicates Zeolite group" (translated: Scaffold, zeolite group ), and there (translated: analcime and related species ) into the " Analcime and related species".

Education and Locations

Was found in the mineral phlogopite veins in Devonian skarns ( metamorphic limestones ) in Hunan Province in China.

Except at its type locality Xianghualing Mine ( Hsianghualing mine ) has so far been nowhere nowhere proved the mineral.

Crystal structure

Hsianghualith crystallizes in cubic tetraedrischpentagondodekaedrischer structure in the space group I213 and the lattice parameters a = 12.87 Å, and eight formula units per unit cell.

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