| | Description | |
| Comments: | Recently (October 2006) identified from manganese pods found on benches F and G at the southwestern end of the quarry. Locally present in some quantity, with exceptional xls up to 5mm in length. | | Habit: | Blades and plates in matrix; sometimes as equant to elongated bladed xls in cavities. | | Colour: | black with a reddish internal tint; sometimes dark brown | | UV Fluorescence: | none | | Quality of samples: | Good crystals or rich for species - important (!) | | Rarity at site: | Rare | | Confirmation | |
| Validity: | Confirmed | | Confirmation Methods: | XRD EPMA SEM-EDS
| | References | |
| References: | Turner, R. (2006): A mechanism for the formation of the mineralized Mn deposits at Merehead Quarry, Cranmore, Somerset, England. Mineralogical Magazine 70, 629-653; Turner R.W. and Rumsey, M.S. (2007) Merehead Mineralogy - an Update. Russell Soc Newsletter, No 50, pp 17-18 (March 2007); Turner, R.W., (2006) A Mechanism for the formation of the Mineralised Mn Deposits at Merehead Quarry, Cranmore, Somerset, England. Min. Mag. vol. 70, no. 6, pp 629 - 653; | | Data | |
| Mineral Data: | Click here to view Kentrolite data | | Locality Data: | Click here to view Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK | | Photo Gallery | View Gallery (2 photos) |
|