Named for Swiss naturalist Johann Jakob Scheuchzer (1672-1733), junior physician of the city of Zürich, curator of the Kunstkammer—a (cabinet of natural history and curiosities), an d he held the chair of physics and mat
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Brugger J , Krivovichev S , Meisser N , Ansermet S , Armbruster T , American Mineralogist , 91 (2006) p.937-943, Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3, a new single-chain silicate, Sample: Fianel, Val Ferrera, Central Alps, Switzerland
Physical Properties of Scheuchzerite
Color:
Yellow orange.
Optical Properties of Scheuchzerite
Gladstone-Dale:
CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.214,KPDmeas= 0.2121,KC= 0.2144 Ncalc = 1.74 - 1.75
Calculated Properties of Scheuchzerite
Electron Density:
Bulk Density (Electron Density)=3.36 gm/cc note: Specific Gravity of Scheuchzerite =3.47 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEScheuchzerite = 10.44 barns/electron U=PEScheuchzerite x rElectron Density= 35.04 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Scheuchzerite is Not Radioactive
Scheuchzerite Classification
Dana Class:
69.02.02.02(69)Inosilicate Chains with Side Branches or Loops