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