| Description |
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| Comments: | According to "Mineralogy of Pennsylvania 1966-1975", Robert C. Smith, Andalusite has been removed from the list of occurrences in Pennsylvania. All existing specimens tested by x-ray powder diffraction proved to be Kyanite pseudos (M. L. Crawford, 1975).
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| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Erroneously Reported |
| References |
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| References: | Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Mineralogy of Pennsylvania 1966-1975, Robert C. Smith, pg. 3 |
| Data |
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| Mineral Data: | Click here to view Andalusite data |
| Locality Data: | Click here to view Cornwall Mines (Cornwall Iron Mine), Cornwall, Lebanon Co., Pennsylvania, USA |