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Fast quartz and feldspar identifying method

A technology of quartz and feldspar, applied in the direction of solid separation, measuring devices, instruments, etc., can solve difficult problems and achieve the effect of simple equipment, convenient operation and easy method

Inactive Publication Date: 2005-02-02
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is difficult for non-professional researchers

Method used

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Embodiment Construction

[0006] First, put the monomer particle size quartz and feldspar to be identified into an acid-resistant container; secondly, add hydrofluoric acid with a volume concentration ratio of 30-60% in the container to cover all the samples, and stir while adding; The third is that the soaking time of the sample is 5-300 seconds; the fourth is to pour out the hydrofluoric acid, rinse the sample with water and then dry it. Observing under binoculars, it can be found that the mineral with smooth, clean and basically transparent surface is quartz; while the mineral with rough surface, powder shape, translucent or opaque is feldspar. According to these phenomena, quartz and feldspar can be identified.

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Abstract

The present invention is fast quartz and feldspar identifying method. The quartz and feldspar sample to be identified is set inside acid resistant container, certain amount of hydrofluoric acid is added for soaking some time while stirring. Then, the sample is taken out and washed with water and dried and may be identified to be quartz or feldspar. The method is simple and practical and may be used in fast identification in lab and in field.

Description

technical field [0001] The invention relates to a method for quickly identifying quartz and feldspar, which can be widely used in rock ore identification and single mineral identification, especially in geological research to provide accurate single mineral for geological age testing. Background technique [0002] Both quartz and feldspar are common non-metallic minerals and are often associated together. The two have many things in common in physical properties. Both are non-magnetic and electromagnetic; brittle; glassy; white streaks; transparent - translucent. Professionals engaged in rock ore identification are mainly based on the comprehensive identification of the crystal system, hardness, relative density, shape, color, refractive index and other aspects of the two minerals. Non-professionals are often difficult to identify based on these properties, especially in terms of shape, color, relative density, etc., they are similar or similar, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/00G01N21/84G01N33/00
Inventor 李卫
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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