Dunton Gem Quarry
44.5428° N, 70.7231° W · ± 1 km
Rose quartz from Maine, United States, with photos of specimens from this locality.
Minerals found here
Rose quartz at Dunton Gem Quarry
One of the earliest world sources of genuine rose quartz crystals.
- Formula
- SiO₂
- Morphology
- Euhedral pink quartz crystals
- Trace elements
- Al and P colour centres produced by irradiation (euhedral pink quartz, general for the variety)
- History
- Dunton was the second known world locality for genuine rose quartz crystals, with the first crystals in 1927; a third world locality was found in Newry in 1942 by George Crooker. The deposit itself was found by Henry C. Hall in 1898.
Geology of the locality
- Setting
- Granite pegmatite of the lithium-cesium-tantalum class in the Oxford pegmatite field; some minerals come from chlorite-actinolite schist host rock.
- Host rock
- Granite pegmatite (LCT class)
- Region
- Maine
- Country
- United States
Coordinates converted from 44 32 34 N, 70 43 23 W on the Mindat locality page. The property was bought by Plumbago Timber and Quarries LLC in 2004; current operating status is not stated.
Sources: SRC-149
Sources
- SRC-149 · Database
Dunton Gem Quarry, Newry, Oxford County, Maine, USAMindat.org contributors · Mindat.org - SRC-123 · Database
Rose Quartz: Mineral information, data and localitiesMindat.org contributors · Mindat.org
Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.