Back | Main Details | Samples & Images | Quarries | Usage | References |
Local Name(s): |
Polyphant Stone, Polyfant Stone, Hick's Mill Stone. |
||||||
---|---|---|---|---|---|---|---|
Stone Group: | Igneous | ||||||
Stone Type: | Serpentinite | ||||||
Geology: |
|
||||||
General Colour Description: | A dark grey-green colour with brown ferruginous spots. It may have a warm brown tinge on weathered samples. |
||||||
Hand Specimen Description: | Polyphant stone is a serpentinite (a metamorphosed picrite). It is a coarse grained, very hard, crystalline rock which is moderately well sorted. It has a soapy feel when polished. |
||||||
Stone Identifiers: | Crystalline. | ||||||
Reacts dilute to HCl? | No |