| | Description | |
| Comments: | Crystals in pegmatite occur up to 40 cm, sometimes intergrown with orthoclase. These intergrowths display a bright blue schiller that when cabbed displays a blue "cat's eye" effect. | | UV Fluorescence: | Vermillion-red (SW) | | Quality of samples: | Excellent - world class for species or very significant. (!!) | | Rarity at site: | Extremely common | | Confirmation | |
| Validity: | Confirmed | | Confirmation Methods: | Visual (Fluorescence)
| | References | |
| References: | Self-collected by Franklin Roberts.; Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7. | | Data | |
| Mineral Data: | Click here to view Microcline data | | Locality Data: | Click here to view Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA |
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