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Mineral Project Learn About Your Birth shiver and roll n roll 1. My birthday is October 9th. 2. My birthst unmatched is Opal and Tourmaline 3. Print, bring down out, and truss a photo of your birth lapidate in the quad below. [pic] [pic] [pic] 4. around suggested websites include the followings: a. Mineral.galleries.com/minerals/birthsto.htmb. Mineralminers.com c. www.minerals.net d. Earthsky.com search for birthstone 5. Find two superfluous sites with birthstone instruction and list them below a. http://www.valuablestones.com b. http://rosediamonds.wordpress.com c. http://www.birthstones.org.uk 6. Properties of your birthstone a. Color: The colours of Opal argon white, colorless, black, blue, gray, yellow, orange, red, green and Brown. Opal color depends on how pure the stone is.  nigh stones savour white but have an pearlescent g lare of other colors, too.  If they show colors, they are called precious opals. b. asperity: The asperity of the Opal is 5.5 to 6.5. c. Cleavage: There is NO Cleavage one Opal. It doesnt break evenly in a excogitation distributively time it is broken. d. Luster: Sub vitreous to waxy, the stone would look glassy or sometimes shimmery desire a pearl.

e. Composition: Opal is formed at low temperatures from silica-bearing amniotic legato and tail end occur in fissures and cavities of any brandish type. f. unique(p) properties: Opal is the only g em that is formed by water. Opal is the only! rock where many different brightly colored hues may be seen in the one stone. g. Uses: Opals are utilize in jewellery even though the stones crack easily.  They are also apply for collections of gemstones.  h. Where order: they are nominate mostly in Australia. Opals target form anywhere but are mostly found in places where there hot springs.  It is sedimentary and is fluorescent a lot of times.  It is a very easy stone to break. i. diachronic and/or...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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