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Gemstones, Minerals & Fossils
Gemstones and Minerals
Interestingly Coloured Quartz
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<blockquote data-quote="loamer" data-source="post: 42365" data-attributes="member: 981"><p>Its been subject to mineralisation. The whiter the quartz in surface specimens the more barren of gold it usually is. When checking the ground we are looking for discoloured and quartz that looks rotten - mouse eaten is a term you hear as well. It maybe stained green, blueish, yellow, a dark/light brown or a mixture of these colours. What has happened is that minerals originally associated with the quartz have disintegrated from a combination of rotting vegetations humic acids, exposure from fluids containing other minerals and they have stained the quartz. you may even note that any associated gold may also be stained. It is very important to note the colours of quartz when prospecting. Mineralised quartz is a good indicator if you will.</p></blockquote><p></p>
[QUOTE="loamer, post: 42365, member: 981"] Its been subject to mineralisation. The whiter the quartz in surface specimens the more barren of gold it usually is. When checking the ground we are looking for discoloured and quartz that looks rotten - mouse eaten is a term you hear as well. It maybe stained green, blueish, yellow, a dark/light brown or a mixture of these colours. What has happened is that minerals originally associated with the quartz have disintegrated from a combination of rotting vegetations humic acids, exposure from fluids containing other minerals and they have stained the quartz. you may even note that any associated gold may also be stained. It is very important to note the colours of quartz when prospecting. Mineralised quartz is a good indicator if you will. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Interestingly Coloured Quartz
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