| Back | Main Details | Samples & Images | Quarries | Usage | References |
| Local Name(s): | Colcerrow Granite. |
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| Stone Group: | Igneous | ||||||
| Stone Type: | Granite | ||||||
| Geology: |
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| General Colour Description: | A silver grey biotite granite (with a pink tinge). |
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| Hand Specimen Description: | A very hard, crystalline, coarse grained, porphyritic granite with large megacrysts of pink orthoclase feldspar (often known as 'Horses Teeth' by the quarrymen) (Watson 1911: 19). |
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| Stone Identifiers: | Porphyritic. | ||||||
| Reacts dilute to HCl? | No | ||||||
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