Jasper
Agate-Jasper
Item-No.: LM214 Price: 20.00 EUR
Horní Halže, Klášterec nad Ohří, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Agate-Jasper-Amethyste
Item-No.: LM12 Price: 20.00 EUR
Černý Potok, Vejprty, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Agate-Jasper-Amethyste
Item-No.: LM191 Price: 16.00 EUR
Horní Halže, Klášterec nad Ohří, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Jasper
Item-No.: LM213 Price: 20.00 EUR
Kněžnice, Jičín, Hradec Králové Region, Bohemia, Czech Republic
Jasper brecciated
Item-No.: LM107 Price: 15.00 EUR
Svornost Mine, Jáchymov, Jáchymov District, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic
Jasper green - Agate, Kozakov
Item-No.: LM185 Price: 72.00 EUR
Kozákov, Liberec Region, Bohemia, Czech Republic
Jasper green - Kozakov
Item-No.: LM50 Price: 40.00 EUR
Kozákov, Liberec Region, Bohemia, Czech Republic
Red Jasper, Kozakov
Item-No.: LM210 Price: 18.00 EUR
Kozákov, Liberec Region, Bohemia, Czech Republic
| Synonyms: | Imperial Jasper, Jasperite, Vabanite |
| Variety of: | Chalcedony |
| Note: | A poorly defined lapidary name for a red to variably coloured microcrystalline chalcedony |
| IMA Status: | not recognised |
| Classification: | Oxides |
| Chemical formula: | SiO2 |
| Crystal system: | Trigonal - microcrystalline, cryptocrystalline |
| Density (g/cm3): | 2,6 - 2,9 measured |
| Tenacity: | Brittle |
| Cleavage: | Non observed |
| Fracture: | Conchoidal, sub-conchoidal |
| Hardness (Mohs): | 6,5 - 7 |
| Colour: | Rot, rot-brown, brown, grün, gelb, yellow, white but black took, any color due to embedded minerals |
| Lustre: | Vitreous, waxy, dull |
| Streak: | White |
| Application: | Famous as a gemstone, fancy stone |