Quantum redactiones paginae "Spathum" differant
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[[Fasciculus:Feldspar-Group-291254.jpg|thumb|Crystallus spathi systematis monoclinici]]
[[Fasciculus:Albite_-_Crete_(Kriti)_Island,_Greece.jpg|thumb|
'''Spathum scintillans'''<ref>[http://woerterbuchnetz.de/DWB/call_wbgui_py_from_form?sigle=DWB&mode=Volltextsuche&hitlist=&patternlist=&lemid=GF02591 Deutsches Wörterbuch von Jacob Grimm und Wilhelm Grimm, sub voce Feldspat]</ref> sive '''feldspathum'''<ref>[https://books.google.at/books?id=nCE-AAAAcAAJ&pg=PT37&lpg=PT37&dq=%22montes+granitici%22&source=bl&ots=oFwwbA3gzR&sig=4u9VfILyovZTEXtEEA_31ie1LZc&hl=de&sa=X&ei=nZMJT8aJILDc4QS27OCNCA&ved=0CC4Q6AEwAQ#v=onepage&q=%22montes%20granitici%22&f=false Hendrick Carel Van Der Boon Mesch (1820): Disputatio gelogica … de granite, p.7]</ref> est nomen, quo magnus crebrorum [[silicati|silicatorum]] numerus nominatur, qui elementis (Ba,Ca,Na,K,NH<sub>4</sub>)(Al,B,Si)<sub>4</sub>O<sub>8</sub> compositi sunt. Elementa inter uncos posita inter se commutari sive [[substitutio (mineralogia)|substitui]] possunt numeris elementorum mutuo fixis. Spatha in [[crystallum|crystalla]] aut [[Systema crystallorum monoclinicum|systematis monoclinici]] aut [[Systema crystallorum triclinicum|triclinici]] mutantur. Spathi durities media secundum [[Fridericus Mohs|Fridericum Mohs]] est 6 - 6½ .
Genus spathorum [[minerale]] saxis creandis maximi momenti est in [[crusta terrestris|crusta terrestri]]. [[Punctum liquefactionis]] est inter 1150–1250 °C.
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