Analcime

Analcime

Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: MIN0340

Price: 78.00 EUR

Analcime

Libodřice, Kolín, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: MIN0339

Price: 56.00 EUR

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