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acid washing tank for fluorite in romania

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fmf - friends of minerals forum discussion and message board

i think there's a terminology issue here if the fluorite has calcium on the surface oxalic and many other acids will remove it and possibly leave behind a surface that appears to be etched - but i don't think this is the definition of etching etching actually removes the base material caf and oxalic just can't

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fluorspar - usgs mineral resources program

fluorspar consumption and trade involve either acid grade also called acidspar which is greater than 97 hastie mining co washed screened and dried metallurgical- grade and acid-grade fluorspar imported tiberon minerals ltd a june 10 tiberon releases initial fluorite metallurgical results for niu phao

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cleaning fluorite - mindat org

sep 11 be careful with mineral acids they will convert fluorite to hydrofluoric acid to some extent especially when used at higher concentrations the fastest way is not the best way here phosphoric acid and sulfuric acid form calcium salts that are less soluble more stable than fluorite so they will attack the

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rock currier - cleaning quartz - mindat org

jul 3 in addition you can put them in most any strong acid without etching them or dulling the shiny natural luster that many quartz crystals have on their surfaces if you put specimens on the bottom of the tank this will often reduce the cleaning effect sometimes dramatically because it reduces the amount of

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simple mineral cleaning techniques - pinnacle 5 minerals

aug 27 the tips i give are for microcline amazonite feldspar albite cleavelandite feldspar quartz goethite and fluorite the black-green residue might need to be removed with a separate cleaning step using an acid again this can be problematic with goethite fluorite and some other sensitive minerals

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acid wash tank top etsy

shop for acid wash tank top on etsy the place to express your creativity through the buying and selling of handmade and vintage goods blue fluorite acid wash tank boneandarrowkt the beastie boys hand distressed one of a kind check your head acid wash band muscle tank top women's size small/medium

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how-to - cleaning your specimens - north idaho mineral club

oxalic acid is useful for rust stains muriatic acid for removing hematite stains and hydrochloric acid is the best for removing black manganese stains epidote - quick dip in aqua regia nitric or sulphuric acid fluorite - hc1 or muriatic 1 acid to 10 water galena - soak overnight in oxalic acid wash well

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