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Cassiterite : SnO2 | |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK A solid piece of lode Cassiterite from Hexworthy Tin Mine (Hooten Wheals, virtually no matrix. Specimen measures approx 3 x 2 x 2 inches. |
| © Bernie Millington | Photo ID: 78179 View Count: 167 |
Cassiterite : SnO2, Quartz : SiO2, Chlorite Group | |
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Wheal Katherine, Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK A specimen of Cassiterite in a predominately white Quartz matrix with a little Chlorite. The Cassiterite features as 2 - 3mm veinlets sitting next to the dark Chlorite edging the Quartz.The Cassiterite is of a gingery brown colour and comes from the Tinner's rubble piles at Wheal Catherine. Specimen measures 3.5 x 2 x 1.5 inches |
| © Bernie Millington | Photo ID: 79410 View Count: 152 |
Cassiterite : SnO2, Quartz : SiO2 | |
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Erme Valley Pits, Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK Locality specimen of reddy brown Cassiterite in Quartz from Erme Valley Pits mine, Dartmoor, Devon. Specimen measures approx 2 x 2 x 2 inches |
| © Bernie Millington | Photo ID: 78189 View Count: 150 |
Cassiterite : SnO2 | |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK Concentrate panned on site in the brook from dirt scraped off the dressing floors. It has a very orange almost golden colour. There's about 10 grams in the pot. for reference the neck of the pot is 22mm diameter. (As an aside I was able to pan very small quantities from silt in the brook too though I've kept that separate). Chris popham, Aug ... |
| © Chris Popham | Photo ID: 121431 View Count: 122 |
Cassiterite : SnO2, Quartz : SiO2 | |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK Dark patches of matrix shot through with orange-brown cassiterite. Piece measures 4cm x 4cm and about the same to the back and was found simply by weight when digging in the dumps. Chris Popham collection, July 2007 |
| © Chris Popham | Photo ID: 113332 View Count: 111 |
Cassiterite : SnO2 | |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK orange/brown bright crystals of cassiterite in a dark grey matrix. Width of field 3cm. Chris Popham collection, July 2007 |
| © Chris Popham | Photo ID: 113331 View Count: 107 |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK Cassiterite,dense gingery brown lode material pierceing a quartz matrix. Specimen size is 110mm x 50mm x 60mm. |
| © P Trebilcock. | Photo ID: 237370 View Count: 46 |
Opal : SiO2·nH2O, Quartz : SiO2 | |
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Wheal Katherine, Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK A specimen of Common Milk Opal (White Opal) with Jasper - Opal (Yellow Opal) sitting atop and inside semi - transparent Quartz sitting atop a thin Granite matrix from Wheal Katherine. Specimen measures 4 x 2.25 x 1.5 inches. (2006) |
| © Bernie Millington | Photo ID: 79405 View Count: 192 |
Opal : SiO2·nH2O | |
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Hooten Wheals (Hexworthy Mine), Two Bridges, Southern Dartmoor, Dartmoor & Teign Valley District, Devon, England, UK Opal from the Hooten Wheals section of the later Hexworthy mine. Specimen size is 100mm x 80mm x 60mm. |
| © P Trebilcock. | Photo ID: 237369 View Count: 32 |
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