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 |