Prasiolite or sometimes spelled praziolite is the name for any quartz crystal or cluster that is green in colour. Prasiolite is actually rate in nature, most prasiolites on the market are heat treated amethyst. When the amethyst is heat treated, the colour transforms into yellow or orange citrine, from a few locations green colour has been the result from heat treatment. Natural accruing prasiolite has been reported from Brazil and Poland. - Its Chemical Composition number is SiO2 and its hardness ratio is 7. – Prasiolite sometimes spelt praziolite can be confused with the praseolite (a similar coloured stone) resulted from heat treatment of iolite. Keep in mind the spelling, prasiolite is the quartz variety, praseolite is the iolite/cordierite variety. – The owners of www.gemrockauctions.com have their own factory and source their rocks and gemstones directly from miners or as close as possible in order to receive the right price, our factory can offer high discounts on sales we have 16 staff who cut gemstones full time and produce high quality products - we don’t cut artificial gemstones.
