MINERAL LEPIDOLITE

Mineral lepidolite

Writer 's name

University

Dec , 2007

Table of content

Abstract

Introduction

Mineral lepidolite

Chemical composition of Mineral Lepidolite

Structure of Mineral Lepidolite

Stability relations of mineral lepidolite

Physical properties

Geological occurrence

Conclusion

Abstract

Chemically Lepidolite are formed by the combination of 5 percent of Li 2 O , 12 percent of K 2 O , 26 percent of Al 2 O 3 , 51 percent of SiO 2 , 1 .5 percent of H 2 O , in addition to 4 .5 percent of F . The

term Lepidolite is derived from the Greek word lepidion , which means scale and litho which means stone they belong to a group Mica (Julie et al , 1998 The structure of Lepidolite shows that their cell dimensions measured from precession photographs are a 5 .205 , c 29 .77A , if we talk about stability then it shows that it is stable at the comparatively very low values of equilibrium constant . Lepidolite is very beautiful stone with many economical uses and mostly found in Zimbabwe , Australia as well as South Africa

Introduction

The mineral lepidolite fits in to the Silicates mineral category . It is usually pale pink to violet in color , the luster of lepidolite is vitreous on the way to translucent and the crystals of Lepidolite are translucent to semi-transparent it is very beautiful and can be used for decoration purpose . The chemical composition of Lepidolite is pedestal on the subsequent elements , Alkaline fluosilicate of lithium potassium , and aluminum , 5 percent of Li 2 O , 12 percent of K 2 O , 26 percent of Al 2 O 3 , 51 percent of SiO 2 , 1 .5 percent of H 2 O in addition to 4 .5 percent of F are found in chemical composition of mineral lepidolite , if we talk about the structure of lepidolite then we come to know that the crystals of lepidolite are not doppelganger as a result of this study the cell dimensions measured from precession photographs are a 5 .205 , c 29 .77A , the stunning success about structure of this mica is the result of Stevens ' examination . The studies shows that lepidolite (KLi2Al (Al , Si ) 3O10 (F , OH ) 2 ) is stable at the comparatively very low values of equilibrium constant

The geological occurrence of lepidolite shows that it is in large quantity found in Zimbabwe , Australia and Africa . While discussing about its economical uses we come up with the conclusion that lepidolite is of great use economically as it is being used in making lamp shades to exceedingly discriminating sieve for take into custody cesium ions . So this article has discussed all the facts and concerns about Lepidolite

Mineral Lepidolite

Mineral Lepidolite is also a constituent of the Micas Group of minerals . Lepidolite is for the most part well thought-out as an ore of lithium . In addition to as an ore mineral , it is frequently found demonstrating astonishing manifestation when scrutiny under an ore polarizing light microscopes (Mines , Geologique , Fontainebleau , April 2006 ) Lepidolite is infrequent , occurring approximately absolutely in structurally multifarious granitic pegmatites , generally in...