![Oxide minerals / Mineralogy / Gemstones / Transparent materials / Ruby / Alum / Sapphire / Corundum / Crystal / Chemistry / Matter / Superhard materials Oxide minerals / Mineralogy / Gemstones / Transparent materials / Ruby / Alum / Sapphire / Corundum / Crystal / Chemistry / Matter / Superhard materials](https://www.pdfsearch.io/img/864a4fb7137ea236650dca9740205198.jpg)
| Document Date: 2009-09-15 15:46:49 Open Document File Size: 42,87 KBShare Result on Facebook
Event Employment Change / / IndustryTerm chemical impurities / aqueous solution / / Person Aluminum Potassium Sulfate (Alum) / Set-Up Day / Lab Day / / Position Teacher / / Technology crystallization / /
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