Prehnite
Analcime, Prehnite
Item-No.: MIN0337 Price: 82.00 EUR
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
Prehnite
Item-No.: LM20 Price: 28.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: LM21 Price: 28.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: LM23 Price: 85.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: LM24 Price: 40.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: LM25 Price: 37.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: MINS1091LM Price: 40.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Prehnite
Item-No.: MINS1320LM Price: 40.00 EUR
Lusitania Bay, Macquarie Island, Tasmania, Australia
Stellerite, Epidote, Prehnite
Item-No.: MIN0041 Price: 80.00 EUR
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Stellerite, Epidote, Prehnite
Item-No.: MIN0048 Price: 78.00 EUR
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Stellerite, Epidote, Prehnite
Item-No.: MIN0049 Price: 109.00 EUR
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Stellerite, Epidote, Prehnite
Item-No.: MIN0050 Price: 165.00 EUR
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
| Synonyms: | Adilite, Aedelite, Bostrichites, Chiltonite, Coupholite |
| Classification: | Silicates, Inosilicates |
| Chemical formula: | Ca2Al2Si3O10(OH)2 |
| Crystal system: | Orthorhombic |
| Density (g/cm3): | 2,8 - 3,0 measured, 2,918 calculated |
| Tenacity: | Brittle |
| Cleavage: | Good on {001}, poor on {110} |
| Fracture: | Irregular/Uneven |
| Hardness (Mohs): | 6 - 6,5 |
| Colour: | Colourless to gray to yellow, yellow-green or white |
| Lustre: | Vitreous, pearly |
| Streak: | White |
| Transparency: | Translucent |
| Type locality: | Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa |
| Application: | Gemstone |