Strontianite
Strontianite, Var. Emmonite
Item-No.: MIN0271 Price: 55.00 EUR
Pod Sosnou, Třinec, Moravia-Silesia Region, Czech Republic
| Synonyms: | Emmonsite, Stronthianite, Strontian, Strontian Spar |
| Classification: | carbonates |
| Chemical formula: | SrCO3 |
| Crystal system: | Orthorhombic |
| Density (g/cm3): | 3.74 - 3.78 measured, 3.722 calculated |
| Tenacity: | Brittle |
| Cleavage: | Very good, on {110} nearly perfect; on {021} poor; on {010} in traces |
| Fracture: | Irregular, uneven, sub-conchoidal |
| Hardness (Mohs): | 3.5 |
| Colour: | Colourless, white, gray, light yellow, green, brown |
| Lustre: | Vitreous, Resinous |
| Streak: | White |
| Fluorescence: | Fluorescent and phosphorescent in UV, bright yellowish white under shortwave, mediumwave and longwave ultraviolet radiation |
| Transparency: | Transparent, Translucent |
| Type locality: | Strontian, Highland, Scotland, UK |
| Application: | Chemical industry as a source for production of strontium compouds |