Opal-AN from
Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA
Locality type: | Pegmatite | |
Classification | ||
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Species: | Opal var: Opal-AN | |
Formula: | SiO2 · nH2O | |
Comments: | Dazzling green fluorescence (SW) especially beautiful when coating microcline with its vermillion red fluorescence. | |
Habit: | Thin coatings on quartz and microcline, glassy blebs in vugs amorphous) | |
Colour: | transparent very pale green | |
Luminescent properties: | Strikingly brilliant green, even visible in overcast daylight. | |
Abundance at site: | Very common | |
Confirmation | ||
Validity: | Confirmed | |
Confirmation Methods: | Visual (Fluorescence) | |
Associated Minerals: | ||
Associates: | Fluorite Microcline Microcline Milky Quartz Smoky Quartz Smoky Quartz | |
Data | ||
Mineral Data: | Click here to view Opal-AN data | |
Locality Data: | Click here to view Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 400389 | |
Long-form Identifier: | 1:3:400389:2 | |
GUID (UUID V4): | fec861b8-e2a8-4d9f-9fad-bb80cca4b494 | |
References | ||