| Description |
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| Comments: | "At the quarries at Fitchburg, beryl of a rich golden hue, approaching the chrysoberyl and topaz in color and hardness, and closely resembling the yellow diamond in lustre, have been blasted out." -- Hamlin, A. C. (1870): The Gems of the United States in Proceedings of the American Association for the Advancement of Science, Eighteenth Meeting, p. 212. |
| Quality of samples: | not specified / average specimens |
| Rarity at site: | Rare |
| Confirmation |
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|
| Validity: | Believed Valid |
| References |
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| References: | USGS, Min. Res. of the US, Part II: Non-metals, 1916 |
| Data |
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| Mineral Data: | Click here to view Heliodor data |
| Locality Data: | Click here to view Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA |
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