Campylite specimens from Dry Gill Mine, Cumbria
Campylite is a lead arsenate mineral which is a variety of Mimetite – it forms part of a series with Pyromorphite and it can be difficult to differentiate between Pyromorphite and Mimetite without laboratory access.
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Campylite specimens from Dry Gill Mine, Cumbria, UK
Campylite is a lead arsenate mineral which is a variety of Mimetite - it forms part of a series with Pyromorphite and it can be difficult to differentiate between Pyromorphite and Mimetite without laboratory access.
Dry Gill mine was a lead and silver mine which was of limited to no commercial significance, but has been regarded as one of the best mineral locations on earth for certain minerals.
"Of little commercial significance, this mine is one of the most famous mineral localities in the world. Lead minerals consisting predominantly of phosphate-bearing mimetite (campylite) in a gangue of quartz, barite and manganese oxides were deposited in an east-west vein. Other minerals occur rarely, the most well-known being plumbogummite."
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London
- #1 - 49.7x35.6x34.5MM - a small specimen with two bright yellow-green formations on a stained Quartz matrix, surrounded by several smaller green crystalline forms.
- #2 - 13.6x11.1x9.7MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #3 - 12.8x7.6x5.3MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #4 - 21.4x20.7x7.2MM - a kind of 'cluster' of Campylite with minimal matrix.
- #5 - 15.6x8.5x6.1MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #6 - 27.1x13.8x7.7MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #7 - 23.6x19.4x17.2MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #8 - 27.2x14.2x7.4MM - a very small piece with several bright Campylite crystals on a psilomelane matrix.
- #9 - 12.5x10.7x10.3MM - a small clustered piece of Campylite with minimal psilomelane matrix.
Additional information
| Weight | .05 kg |
|---|---|
| Dimensions | 5 × 5 × 5 cm |
| Specimen | #1 – 49.7×35.6×34.5MM, #2 – 13.6×11.1×9.7MM, #3 – 12.8×7.6×5.3MM, #4 – 21.4×20.7×7.2MM, #5 – 15.6×8.5×6.1MM, #6 – 27.1×13.8×7.7MM, #7 – 23.6×19.4×17.2MM, #8 – 27.2×14.2×7.4MM, #9 – 12.5×10.7×10.3MM |
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