# Mineralogy and Gemology Studies { "id": "T13443", "title": "Mineralogy and Gemology Studies", "url": "/topics/T13443", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "openalex", "revision": "37fd8f66f1887ef8", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "38294085249138939", "address_version": "morton4x16-v1", "coordinates": [ 3, 19, 1906, 13443 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } This cluster of papers explores the geochemistry and petrology of various gemstones, including the use of Raman spectroscopy, identification of nanoinclusions, behavior of water molecules, and the formation processes of opals, beryl, sapphires, and jade. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://openalex.org/T13443 No owner-reviewed local answer yet.