Hohenlohe Flintstone
This stone can be found next to our door! Quite unspectular in the field ...but cutting reveals a colorful inside!
Synonyms: | Jasper, |
Variety of: | microcrystalline and cryptocrystalline chalcedony and quartz |
IMA Status: | Not recognised as mineral |
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 too, any color due to embedded minerals |
Lustre: | Vitreous, waxy, dull |
Streak: | White |
Application: | Local famous as a gemstone |