{"product_id":"eisco-12pk-raw-porphyritic-granite-igneous-rock-specimen-approx-1-geologist-selected-hand-processed-great-for-science-classrooms","title":"EISCO 12PK Raw Porphyritic Granite, Igneous Rock Specimen - Approx. 1\"- Geologist Selected \u0026 Hand Processed - Great for Science Classrooms","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. The large crystals are indicative of a slow cooling rate, and make mineral identification simple\u003c\/li\u003e\n\u003cli\u003eGREAT FOR GEOLOGY CLASSROOMS | A must-have sample when discussing rock types, the rock cycle, and the formation, classification, and identification of igneous rocks. This set of twelve samples is excellent for group study and examination\u003c\/li\u003e\n\u003cli\u003eGEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features\u003c\/li\u003e\n\u003cli\u003eLOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY\u003c\/li\u003e\n\u003cli\u003eINDIVIDUALLY PACKAGED \u0026amp; LABELED | Each specimen sample is packaged in a transparent bag, and is labeled \u0026amp; barcoded for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EISCO","offers":[{"title":"Default Title","offer_id":48200033435799,"sku":"B0822VH48H","price":28.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41RvMEofrJL.jpg?v=1788420045","url":"https:\/\/tinkervanta.com\/products\/eisco-12pk-raw-porphyritic-granite-igneous-rock-specimen-approx-1-geologist-selected-hand-processed-great-for-science-classrooms","provider":"TinkerVanta","version":"1.0","type":"link"}