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12PK Raw Olivine, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Pro

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OLIVINE | Much of the earth's surface is covered in oceanic crust, of which olivine is a major component. With the highest crystallization temperature, olivine is the first mineral to form in a magma, making it a useful geothermometerGREAT FOR GEOLOGY CLASSROOMS | Ideal for identification & classification exercises, and is great for lessons in hardness, fracture & luster. Its massive earthy habit is a perfect example of nonmetallic luster. . This set of six samples is excellent for group study and examinationGEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining featuresLOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NYINDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification