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'Alum Group'  | |
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'Amber'  | |
| | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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'Bauxite'  | |
| | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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'Clay'  | |
| | Reference: | [Gleba, 1978. Mass. Mineral & Fossil Localities] |
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'Coal var: Lignite'  | |
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Glauconite  | |
| | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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Gypsum var: Selenite  | |
| | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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Marcasite  | |
| | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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'Tektite'  | |
| | Description: | (Perhaps transported and not native to the area.) | | Reference: | [Gleba, 1978. Massachusetts Mineral & Fossil Localities] |
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