Hexagonal Pyramidal Class

Hexagonal Pyramidal Class
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Hexagonal Pyramidal Class

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Axial Configuration Paper Model

Hexagonal - Pyramidal Class (6)  Mineral Species Listing

System Class Name

AXES

 Planes Center
Hermann-
Maugin
Symbols
2-Fold 3-Fold 4-Fold 6-Fold
Hexagonal Pyramidal - - - 1 - - 6

Synonyms: Pyramidal-Hemimorphic Class, Nephelite Type, Pyramidal Hemihedral Hemimorphic, or Hexagonal Polar Class.

Space Groups in class: P6, P61, P62, P63, P64, and P65.

Example of the Hexagonal - pyramidal class symmetry in stereo using JCrystal Applet by Steffen Weber.

Java Applet Not Started
Example of the Hexagonal - pyramidal class symmetry in stereo using Faces (version 3.5) by Georges Favreau.
Hexagonal 6.gif (3493 bytes)
 
28 Minerals From the H-M Class Hexagonal - Pyramidal (6)
Mineral Space Grp a c Z Vol (Ang3) Calc Dens
Berborite P 63 4.4330 10.6380 2 181.0 2.06
Cancrinite P 63 12.7000 5.1500 1 719.4 2.43
Cancrisilite P 63 12.5750 5.1050 1 699.1 2.35
Cetineite P 63 14.2300 5.5790 2 978.4 2.47
Ekaterinite C6 11.8600 23.8800 12 2908.9 2.28
Ellenbergerite P 63 12.2550 4.9320 1 641.5 3.10
Finnemanite P 63 10.2300 7.0000 2 634.4 7.54
Fluorcaphite P 63 9.4850 7.0001 2 545.4 4.09
Gaudefroyite P 63 10.5890 5.8910 2 572.0 3.38
Gyrolite P 61 9.7200 132.8000 5 10865.8 2.74
Hydroxycancrinite P 63 12.6640 5.1590 2 716.5 2.24
IMA2008-065 P 63 12.6950 5.3250 1 743.2 2.45
IMA2008-069 P 63 11.3160 5.9310   657.7  
Kambaldaite P 63 10.3400 6.0970 2 564.5 3.19
Kellyite P 63 5.3480 14.0400 2 347.8 3.09
Kyanoxalite P 63 12.6792 5.1772 1 720.8 2.38
Malinkoite P 63 13.8964 7.7001 18 1287.8 2.92
Megakalsilite P 63 18.1040 8.4670 24 2403.3 2.62
Micheelsenite P 63 10.8280 10.5160 2 1067.8 2.07
Nepheline P 63 10.0100 8.4050 8 729.4 2.66
Ottensite P 63 14.1758 5.5712 2 969.6 4.16
Panunzite P 63 20.5130 8.5530 32 3116.8 2.63
Pitiglianoite P 63 22.1210 5.2110 3 2208.3 2.40
Szymanskiite P 63 17.4150 6.0110 1 1578.8 4.67
Theresemagnanite P 63 8.3630 26.1800 3 1585.7 2.56
Tiptopite P 63 11.6550 4.6920 1 552.0 2.50
Trikalsilite P 63 15.3500 8.5380 18 1742.2 2.64
Zinkenite P 63 44.1400 8.6200 8 14544.6 5.38

(* - Mineral Name is Not IMA Approved)
(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name
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