Rocks and Minerals Question Marathon
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Re: Rocks and Minerals Question Marathon
1. Was it not quartz and albite? It would make sense that they both form in igneous environments, and they do commonly occur together, for example in plutonic rocks. 2. If it is that then their name origin would be albus or pure white for albite and twarc or hard for quartz
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Re: Rocks and Minerals Question Marathon
Okay the quartz part is right, and you're on the right track with the white minerals. To clarify, the quartz are the actual crystals and the second mineral is the one coating the quartz. This specimen was from my coach's collection, so it obviously is something not seen normally.syo_astro wrote:1. Was it not quartz and albite? It would make sense that they both form in igneous environments, and they do commonly occur together, for example in plutonic rocks. 2. If it is that then their name origin would be albus or pure white for albite and twarc or hard for quartz
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Re: Rocks and Minerals Question Marathon
Is the coating possibly a rock? It looks way too powdery to be a mineral, and it looks nothing like kaolinite.
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Re: Rocks and Minerals Question Marathon
Is it opal? Opal is sometimes considered a mineral, and sometimes not. Opal comes from opalle which comes from opalus which comes from opallios which comes from upala-s, meaning, gem.
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Sounds of Music, Rocks and Minerals, Dynamic Planet, Metric Mastery: 2nd, Regionals
Hopeful 2014 events:
Dynamic Planet, Rocks and Minerals, Technical Problem Solving, Designer Genes, Astronomy*, MagLev*
IM AN ALICORN
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Re: Rocks and Minerals Question Marathon
I'll revive this since no one's been on here for a while.
[img]http://www.mineralmasterpiece.com/images/Specimens/P1/MMB-604xL2view_Fluorite.jpg[/img]
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Re: Rocks and Minerals Question Marathon
fluorite but is there another one
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