Kilchoanite (Kilchoanit)

Calcium, Silicium, Sauerstoff

SiO₂ : 39.83, CaO : 60.88 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 92)

9.BJ.44

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
J: Gruppen(Soro)-Silikate mit Si₃O₁₀, Si₄O₁₁, etc. Anionen; Kationen in oktahedraler [6] und/oder größerer Koordination
44:Kilchoanit-Gruppe

VIII/C.28-030

VIII: SILIKATE
C: Gruppensilikate
28: [Si3O10] 8--Gruppen

9.BQ.100

9: SILICATES
B: Sorosilicates
Q: Si₃O₁₀ + SiO₄-Group

58.03.02.01

58: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
03: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups with insular single and triple groups (n=1,3)

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

anerkanntes Mineral

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

1.647

1.650

1.648

Biaxial (+) 60°

mm2

46

I2cm

11.42

5.09

21.95

2.244

4.312

90°

90°

90°

4

1275.905

aufgeklärt, siehe dafür Evgeny V. Galuskin, Frank Gfeller, Valentina B. Savelyeva, Thomas Armbruster, Biljana Lazic, Irina O. Galuskina, Daniel M. Többens, Aleksandr E. Zadov, Piotr Dzierzanowski, Nikolai N. Pertsev, Viktor M. Gazeev: Pavlovskyite Ca8(SiO4)2(Si3O10): A new mineral of altered silicate-carbonate xenoliths from the two Russian type localities, Birkhin massif, Baikal Lake area and Upper Chegem caldera, North Caucasus. American Mineralogist 97 (2012) S.503-512.

3.56(70),
3.07(80),
2.89(100),
2.68(90),
2.55(50),
2.487(50),
2.36(70),
1.964(70)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

1.501 ( ρ calc. Mineralienatlas )