Analcime
Analcime
Item-No.: MIN0339 Price: 56.00 EUR
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
Analcime
Item-No.: MIN0340 Price: 78.00 EUR
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
Analcime, Prehnite
Item-No.: MIN0337 Price: 82.00 EUR
Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic
| Synonyms: | Analcidite, Analcine, Analcite, Cubicite, Cubizite, Cuboite, Eudnophite, Euthalite, Five Islans Garnet |
| Classification: | Silicates, Tektosilicates, Zeolite Group |
| Chemical formula: | Na(Si2Al)O6·H2O |
| Crystal system: | Isometric also orthorhombic, upon MINDAT triclinic, tetragonal or even monoclinic |
| Density (g/cm3): | 2,24 - 2,29 measured, 2,271 calculated |
| Tenacity: | Brittle |
| Cleavage: | Poor/indistinct on {100} |
| Fracture: | Sub-conchoidal |
| Hardness (Mohs): | 5 - 5,5 |
| Colour: | White, colourless, gray, pink, greenish, yellowish |
| Lustre: | Vitreous |
| Streak: | White |
| Transparency: | Transparent, translucent |
| Type locality: | Cyclopean Islands, Acitrezza, Etna Volcanic Complex, Catania Province, Sicily, Italy |