Heulandite-Ca
Heulandite
Item-No.: MINS1644 Price: 26.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1536 Price: 24.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1547 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS4980 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1532 Price: 27.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS4990 Price: 9.00 EUR
Jalgaon District, Maharastra, India
Heulandite
Item-No.: MINS1557 Price: 25.00 EUR
Jalgaon District, Maharastra, Indien
Stilbite (Desmin), Heulandite
Item-No.: MINS1570 Price: 30.00 EUR
Jalgaon District, Maharastra, India
Heulandite
Item-No.: MINS1461 Price: 35.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MIN0342 Price: 55.00 EUR
Votrubec quarry, Kozákov, Liberec Region, Bohemia, Czech Republic
Heulandite
Item-No.: MINS1569 Price: 47.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1690 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1643 Price: 22.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS4983 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1544 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
Heulandite
Item-No.: MINS1543 Price: 9.00 EUR
Jalgaon District, Maharastra, Indien
| Synonyms: | Heulandite |
| Classification: | Silicates, tektosilicates with zeolitic H2O, zeolite family, heulandite group |
| Chemical formula: | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| Crystal system: | Monoclinic |
| Density (g/cm3): | 2,1 - 2,2 measured, 2,17 calculated |
| Tenacity: | Brittle |
| Cleavage: | Perfect on the {010} |
| Fracture: | Irregular/uneven, sub-conchoidal |
| Hardness (Mohs): | 3,5 - 4 |
| Colour: | White, colorless, red, yellow, brown, green |
| Lustre: | Vitreous, pearly on cleavage |
| Streak: | White |
| Type locality: | Strathclyde, Scotland, UK |