![Chemistry / Nuclear physics / Matter / Deep Blue Sea / Olympic Australis / Gemstones / Hydrates / Opal Chemistry / Nuclear physics / Matter / Deep Blue Sea / Olympic Australis / Gemstones / Hydrates / Opal](https://www.pdfsearch.io/img/2f5979c057241fa58a4bb0a4df1a764a.jpg) Date: 2010-05-16 21:15:50Chemistry Nuclear physics Matter Deep Blue Sea Olympic Australis Gemstones Hydrates Opal | | National Gemstone Australia’s national gemstone is the opal. Opals are famous across the world for their brilliant colours. Australia is home to the world’s highest quality, precious opal. The best known is black opaAdd to Reading ListSource URL: itsanhonour.gov.auDownload Document from Source Website File Size: 72,21 KBShare Document on Facebook
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