Mineralienatlas - Fossilienatlas
Informations
Inserted from |
Diether G., Bodensee-Nord |
Collectors Summary
| Chemical Formula | SiO2 |
| Color | weißgrau, bläulich |
| Streak color | weiß |
| Hardness (Mohs) | 6.5 - 7 |
| Solubility | +++ HF, + NaOH, KOH |
| Morphology | mikroskopisch klein, Aggregate faserig-radialstrahlig, stalaktitisch, traubig, niedrig, stets etwas porös |
Homepage 
Calendar 
Collector's characteristics 
History of Mineralienatlas 
Howto sponsor 
Our sponsores 
Search term inside Encyclopedia 
Full-text search 
Mineral by property 
Mineral by chemistry 
Help and how it works 
Mining 
Localities 
Geology (Rocks) 
Mineralogy (Minerals) 
Palaeontoloy (Fossils) 
Literature and Books 
Equipment and tools 
Portraits 
Encyclopedia pathes 
Media gallery 
Image reel 
User image galleries 
Images of the day 
Best of Images 
Newest forum contributions 
Imprint
Data protection clause
Our team