Jasper
Agate-Jasper
Černý Potok, Vejprty, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Item-No.: LM211
Price: 22.00 EUR
Agate-Jasper
Horní Halže, Klášterec nad Ohří, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Item-No.: LM214
Price: 20.00 EUR
Agate-Jasper-Amethyste
Černý Potok, Vejprty, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Item-No.: LM12
Price: 20.00 EUR
Agate-Jasper-Amethyste
Horní Halže, Klášterec nad Ohří, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Item-No.: LM191
Price: 16.00 EUR
Agate-Jasper-Amethyste
Horní Halže, Klášterec nad Ohří, Krušné Hory Mts, Ústí Region, Bohemia, Czech Republic
Item-No.: LM198
Price: 25.00 EUR
Jasper
Doubravice, Jičín, Hradec Králové Region, Bohemia, Czech Republic
Item-No.: LM62
Price: 32.00 EUR
Jasper
Kněžnice, Jičín, Hradec Králové Region, Bohemia, Czech Republic
Item-No.: LM213
Price: 20.00 EUR
Jasper
Kozákov, Liberec Region, Bohemia, Czech Republic
Item-No.: LM219
Price: 23.00 EUR
Jasper brecciated
Svornost Mine, Jáchymov, Jáchymov District, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic
Item-No.: LM107
Price: 15.00 EUR
Jasper green - Agate, Kozakov
Kozákov, Liberec Region, Bohemia, Czech Republic
Item-No.: LM185
Price: 72.00 EUR
Jasper green - Kozakov
Kozákov, Liberec Region, Bohemia, Czech Republic
Item-No.: LM50
Price: 40.00 EUR
Jasper green - Kozakov
Kozákov, Liberec Region, Bohemia, Czech Republic
Item-No.: LM51
Price: 28.00 EUR
Red Jasper, Kozakov
Kozákov, Liberec Region, Bohemia, Czech Republic
Item-No.: LM210
Price: 18.00 EUR
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 |