Prehnite
Analcime, Prehnite
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
Item-No.: MIN0337
Price: 82.00 EUR
Analcime, Prehnite
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
Item-No.: MIN0338
Price: 82.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: LM20
Price: 28.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: LM21
Price: 28.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: LM23
Price: 85.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: LM24
Price: 40.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: LM25
Price: 37.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: MINS1091LM
Price: 40.00 EUR
Prehnite
Lusitania Bay, Macquarie Island, Tasmania, Australia
Item-No.: MINS1320LM
Price: 40.00 EUR
Stellerite, Epidote, Prehnite
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Item-No.: MIN0041
Price: 80.00 EUR
Stellerite, Epidote, Prehnite
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Item-No.: MIN0048
Price: 78.00 EUR
Stellerite, Epidote, Prehnite
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Item-No.: MIN0049
Price: 109.00 EUR
Stellerite, Epidote, Prehnite
Bendougou village Arrondissement Diakon Commune Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Item-No.: MIN0050
Price: 165.00 EUR
| 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 |