Clinothulite from
Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA
| Locality type: | Hill | |
| Classification | ||
|---|---|---|
| Species: | Clinozoisite var: Clinothulite | |
| Formula: | {Ca2}{Al3}(Si2O7)(SiO4)O(OH) | |
| Comments: | Qualitative SEM-EDS by Kerry Day: Al (1.49 KeV) = 1221; Si (1.74) = 1459; Ca (3.69) = 1016; Mn (5.90) = 33; Fe (6.40) = 51; Background values 2/10 = 85/9 "Zoisite/Clinozoisite/Thulite. The smallest amount of Mn can colour an Epidote Group mineral cherry red." Clinozoisite is very common at Joppa Hill, usually pale green, sometimes colorless, very rarely pink. Zoisite does not occur at the locality. "Thulite" = Mn-bearing zoisite. "Clinothulite" = Mn-bearing clinozoisite. | |
| Colour: | pink | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | Visually Identified, SEM-EDS | |
| References | ||
| References: | P Cristofono collection, 2008 | |
| Data | ||
| Mineral Data: | Click here to view Clinothulite data | |
| Locality Data: | Click here to view Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA | |
Joppa Hill, Amherst, Hillsborough Co., New Hampshire, USA