Mexican Fire Opal Cabochon With Mineral Inclusions Mexico 7. 2ct 18x12. 4mm
Item History & Price
| Reference Number: Avaluer:44294388 | Country/Region of Manufacture: Mexico |
Mexican Fire Opal Cabochon with Quartz, Kaolinite, Chalcedony and other mineral inclusionsCarbonera Mine, La Trinidad, Tequisquiapan, Queretaro, MexicoSize :18 x 12.4 x 6.1 mm Weight : 7.2 carat
****************************Cut and polished clear fire opal sometimes has red hematite included quartz crystals and other unidentified inclusions. The inclusions found in opals from this locality reflect their volcanic provenance. Mexican opal o...ften has inclusions of goethite-like needles, sometimes wrapped in limonite.Hematite crystals and botryoidal inclusions of white chalcedony. Various inclusions have been identified in Fire Opal - Goethite, Hematite, Fluorite, Hornblende, Rutile , Pyrite, Kaolinite , Cristobalite, Quartz, three-phase inclusion, two-phase inclusion, flow structures, and multiple cycles of growth have also been described.
****************************Cut and polished clear fire opal sometimes has red hematite included quartz crystals and other unidentified inclusions. The inclusions found in opals from this locality reflect their volcanic provenance. Mexican opal o...ften has inclusions of goethite-like needles, sometimes wrapped in limonite.Hematite crystals and botryoidal inclusions of white chalcedony. Various inclusions have been identified in Fire Opal - Goethite, Hematite, Fluorite, Hornblende, Rutile , Pyrite, Kaolinite , Cristobalite, Quartz, three-phase inclusion, two-phase inclusion, flow structures, and multiple cycles of growth have also been described.
