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finnchaga: ammonium oxalate wit DIY polarisation kit
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finnchaga: ammonium oxalate plane polarised wit DIY polarisation kit
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finnchaga: inclusions in fluorite in PPL light
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finnchaga: Kiimassuo unknown phase(s) in muscovite XPOL
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finnchaga: Odd "blood stains" in muscovite XPOL
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finnchaga: Various inclusions in muscovite
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finnchaga: reddish brown phase in muscovite
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finnchaga: fluorite with fibriform fluid inclusions
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finnchaga: What can these crystals be..?
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finnchaga: Salty Freeze
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finnchaga: crystallisation lines of frozen NaCl solution
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finnchaga: Fish on the Line in Quartz
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finnchaga: fish on a line using Nikon 20x
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finnchaga: quartz with "river trout hydrocarbons(?)"
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finnchaga: "Optical mineralogy part II"
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finnchaga: Xmas 2015
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finnchaga: acetaminophen single shot while still crystallising
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finnchaga: Flattened inclusion with redbrown substance network
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finnchaga: acetaminophen recrystallised in acetone
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finnchaga: surface of Kotka topaz
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finnchaga: unoriented inclusions in Venesjärvi rose quartz
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finnchaga: Jena Epityp ristipolarisointi-koe 100x
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finnchaga: Metallograph @100x polished Outokumpu Cu-ore
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finnchaga: Incident (=reflected) light, LED crop
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finnchaga: Crystal in muscovite sheet
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finnchaga: Epityp2 fine focus starting to work
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finnchaga: smartphone screen viewd via inverted microscope
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finnchaga: Muscovite Rock Art
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finnchaga: New gneiss thinsection test using glass polariser
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finnchaga: brownish translucent calcite XPL