Thulite
A variety of Zoisite
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About Thulite
Formula:
{Ca2}{Al,Mn3+3}(Si2O7)(SiO4)O(OH)
Colour:
pink
Name:
Named after "Thule", the ancient name of Scandinavia (and mythical island).
First Recorded Locality:
A variety of Zoisite
A pink variety of zoisite, frequently manganian, i.e. containing trivalent Mn (not manganoan, which refers to divalent Mn). Originally described from Kleppan, Sauland, Hjartdal, Telemark, Norway.
NOTE: "Thulite" from granite pegmatites and some metamorphic rocks is frequently the clinothulite variety of clinozoisite and not true zoisite.
Visit gemdat.org for gemological information about Thulite.
A pink variety of zoisite, frequently manganian, i.e. containing trivalent Mn (not manganoan, which refers to divalent Mn). Originally described from Kleppan, Sauland, Hjartdal, Telemark, Norway.
NOTE: "Thulite" from granite pegmatites and some metamorphic rocks is frequently the clinothulite variety of clinozoisite and not true zoisite.
Visit gemdat.org for gemological information about Thulite.Unique Identifiers
Mindat ID:
3955 (as Thulite)
4430 (as Zoisite)
4430 (as Zoisite)
Long-form identifier:
mindat:1:1:3955:6 (as Thulite)
mindat:1:1:4430:7 (as Zoisite)
mindat:1:1:4430:7 (as Zoisite)
GUID
(UUID V4):
(UUID V4):
7b860a85-4dee-4a56-a62a-27b4f7f5d723 (as Thulite)
bd105552-3fbc-48ef-9583-56d3ecdd9905 (as Zoisite)
bd105552-3fbc-48ef-9583-56d3ecdd9905 (as Zoisite)
Physical Properties of Thulite
Colour:
pink
Chemical Properties of Thulite
Formula:
{Ca2}{Al,Mn3+3}(Si2O7)(SiO4)O(OH)
Geological Environment
Geological Setting:
Much of the so-called thulite from granite pegmatites, particularly in North Carolina, has proven to be clinothulite (Richard C. Erd, unpublished data, 1996).
First Recorded Occurrence of Thulite
Synonyms of Thulite
Other Language Names for Thulite
Common Associates
Associated Minerals Based on Photo Data:
| 29 photos of Thulite associated with Cyprine | Ca19Cu2+Al4(Al6Mg2)(β»4)β»[Si2O7]4[(SiO4)10](OH)(OH)9 |
| 22 photos of Thulite associated with Quartz | SiO2 |
| 10 photos of Thulite associated with Grossular | Ca3Al2(SiO4)3 |
| 9 photos of Thulite associated with Fluorite | CaF2 |
| 8 photos of Thulite associated with Piemontite | (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH) |
| 8 photos of Thulite associated with Albite | Na(AlSi3O8) |
| 7 photos of Thulite associated with Feldspar Group | |
| 6 photos of Thulite associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 4 photos of Thulite associated with Mica Group | |
| 4 photos of Thulite associated with Almandine | Fe2+3Al2(SiO4)3 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Thulite
mindat.org URL:
https://www.mindat.org/min-3955.html
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References for Thulite
Reference List:
Localities for Thulite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
β - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
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SΓΈre Lia Quarry, Otta River, Lom, Innlandet, Norway