Pargasite
Pargasite has a green to black colour and is named after the town of Pargas in Finland, where it was first discovered.
It is sometimes used as a gemstone but is also often collected as a mineral specimen.
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Appearance
Uses and History
Key Locales
Africa
Tanzania
- Mundarara Mine, Longido District, Arusha Region, Tanzania
Asia
Afghanistan
- Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan
Pakistan
- Aliabad, Nagar District, Gilgit-Baltistan, Pakistan
Vietnam
- An Phú, Lục Yên District, Yên Bái Province, Vietnam
Europe
Finland
- Ersby, Pargas, Finland
- Limberg quarry, Pargas, Finland
- Skräbböle Quarry (Nordkalk Quarry), Pargas, Finland
France
- Peygerolles, Saint-Privat-du-Dragon, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
- Loire river alluvial deposits, Gien, Montargis, Loiret, Centre-Val de Loire, France
- Granulite outcrops, Etang de Lers, Col d’Agnès, Le Port, Saint-Girons, Ariège, Occitanie, France
Germany
- Bellerberg volcano, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
- Dreiser Weiher, Eifel Volcanic Fields, Germany
- Loitsch Quarry, Weida, Greiz District, Thuringia, Germany
Italy
- Punta Sirenella, Olbia, Sassari Province, Sardinia, Italy
- San Vito Quarry, San Vito, Ercolano, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
- Mount Vesuvius, Somma-Vesuvius Complex, Naples, Campania, Italy
South America
Antarctica
Australia and Oceania
North America
United States of America
- Franklin, Sussex County, New Jersey, USA
- Amherst, Hillsborough County, New Hampshire, USA
- Jurupa Mountains, Jurupa Valley, Riverside County, California, USA
- Jayville mine, Magnetite Mining District, St. Lawrence County, New York, USA
Mineralogy
Chemistry
Inosilicate amphibole with the formula NaCa2(Mg4Al)(Si6Al2)O22(OH)2.
Colours and Variations
Streak
Luster
Vitreous
Fracture
Splintery
Crystal habit
Mohs hardness
5-6
Specific Gravity
3.04 – 3.17
Easiest testing method
Hazards and Warnings
Almost all rocks, minerals (and, frankly, almost all other substances on earth) can produce toxic dust when cutting, which can cause serious respiratory conditions including silicosis.
When cutting or polishing rocks, minerals, shells, etc, all work should be done wet to minimise the dust, and a suitable respirator or extraction system should be used.
Translations
Arabic: پارگاسیت
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Russian: Паргасит
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Spanish: Pargasita
German: Pargasit
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