| | Description | |
| Comments: | Occurances at approximately the 40 01'02"N, 76 31'31"W portion of the quarry. Microcrystals occuring in calcite or directly on the phyllite schist, along veinlets. Larger xtls found in within several milky quartz pods, typically 30cm by 6 to 15 m in length. Associated with Anatase occasionally as an alteration of Ilmenite. | | Habit: | Microcrystals to larger, thin, platy xtls, deeply striates parallel to their length. | | Colour: | transparent (micro-xtls), to light brown | | Quality of samples: | not specified / average specimens | | Rarity at site: | Rare | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | The Mineralogy of Pennsylvania 1966-1975; Robert C. Smith II, pgs. 23-30 | | Data | |
| Mineral Data: | Click here to view Brookite data | | Locality Data: | Click here to view County Line Quarry (Kline's Quarry), Wrightsville, York Co., Pennsylvania, USA |
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