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Recent questions without answers

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https://youtu.be/1yxjM-NisUo
asked Apr 3 by santoshmlokhande (870 points)
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What crystal system can cause a gemstone to have only a two-ray star
asked Mar 18 by qman79 (150 points)
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Interesting but confusing
asked Feb 13 by Pride (1,040 points)
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Can gypsum be applied in a water based spray
asked Apr 25, 2017 by trimax (120 points)
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What chemicals can be used to clean Smithsonite?
asked Nov 16, 2016 by freejeepin (120 points)
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How to extract lead from boulangerite ore?
asked Nov 2, 2016 by atifuop (120 points)
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How long does the garlic smell last after the use of native arsenic?
asked Nov 1, 2016 by samIam48 (150 points)
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How do you use the mineral serpentine in your everyday life
asked Oct 7, 2016 by Cheryl Ann Vigil (120 points)
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How common is yellow/blue sapphire which can also appear dark green?
asked Oct 2, 2016 by RachaelH (120 points)
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Are there gemstones with optical properties?
asked Sep 3, 2016 by Bonnie White (150 points)
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How can i check how much dolomite content present in Steatite powder
asked Aug 11, 2016 by sureshkumar (120 points)
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How do you polish ulexite?
asked Aug 7, 2016 by mariacatalina (120 points)
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I cut out a small section. Shiny brown with white(calcite?) and blue.
asked Jul 29, 2016 by MarkyD (600 points)
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