Hexagonal Dipyramidal Class (original) (raw)

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Axial Configuration Paper Model

Hexagonal - Dipyramidal Class (6/m) Mineral Species Listing

System Class Name AXES Planes Center Hermann- Maugin Symbols
2-Fold 3-Fold 4-Fold 6-Fold
Hexagonal Dipyramidal - - - 1 1 yes 6/m

Synonyms: Tripyramidal Class, Apatite Type, Pyramidal Hemihedral, or Hexagonal Equatorial Class.

Space Groups in class: P6/m, P6/m, and P63/m.

Example of the Hexagonal - dipyramidal class symmetry in stereo using JCrystal Applet by Steffen Weber.
Java Applet Not Started
Example of the Hexagonal - Dipyramidal class symmetry in stereo using Faces (version 3.5) by Georges Favreau.
Hexagonal 6!m.gif (3454 bytes)

62 Minerals From the H-M Class Hexagonal - Dipyramidal (6/m)

Mineral Space Grp a c Z Vol (Ang3) Calc Dens
Agardite-(Ca) Unk
Agardite-(Ce) P 63/m 13.5900 5.8900 2 942.1 3.78
Agardite-(Dy) Unk
Agardite-(La) P 63/m 13.6050 5.9170 2 948.5 3.74
Agardite-(Nd) Unk
Agardite-(Y) P 63/m 13.5500 5.8700 2 933.4 3.67
Aiolosite P 63/m 9.6260 6.8800 2 552.1 3.76
Alforsite P 63/m 10.2500 7.6400 2 695.1 4.81
Apatite P 63/m 9.3800 6.8900 2 525.0 3.22
Apatite-(CaCl) P 63/m 9.5980 6.7760 2 540.6 3.20
Apatite-(CaF) P 63/m 9.3670 6.8840 2 523.1 3.20
Apatite-(CaOH) P 63/m 9.4180 6.8750 2 528.1 3.16
Apatite-(SrOH) P 63/m 9.5650 7.1150 2 563.7 3.74
Britholite-(Ce) P 63/m 9.6300 7.0300 2 564.6 4.49
Britholite-(Y) P 63/m 9.4300 6.8100 2 524.5 4.07
Calciopetersite P 63/m 13.2840 5.9020 2 902.0 3.34
Carbonate-fluorapatite P 63/m 9.3460 6.8870 2 521.0 3.10
Carbonate-hydroxylapatite P 63/m 9.4190 6.8860 2 529.1 3.04
Davyne P 63/m 12.7050 5.3680 1 750.4 2.40
Ellestadite P 63/m
Ellestadite-(Cl) P 63/m 9.5100 6.8970 2 540.2 3.15
Ellestadite-(F) P 63/m 9.4850 6.9160 2 538.8 3.10
Ellestadite-(OH) P 63/m 9.4910 6.9210 2 539.9 3.11
Fermorite P 63/m 9.5500 6.9800 2 551.3 4.26
Fluoborite P 63/m 8.9240 3.1150 2 214.8 2.88
Fluorbritholite-(Ce) P 63/m 9.5170 6.9830 2 547.7 4.67
Fluorcalciobritholite P 63/m 9.5800 6.9850 2 555.2 4.25
Hanksite P 63/m 10.4700 21.2000 2 2012.6 2.58
Hedyphane P 63/m 10.1400 7.1850 2 639.8 5.99
Hydroxylborite P 63/m 8.9120 3.1120 2 214.1 2.87
Hydroxylpyromorphite P 63/m
IMA2008-068 P 63/m 9.6400 7.0120 2 564.3 5.92
IMA2009-015 P 63/m 6.2070 3.8010 1 126.8 4.78
Inaglyite P 6/m 7.0300 16.4400 1 703.6 5.79
Irtyshite P 63/m 6.2310 36.7700 6 1236.4 7.27
Jeremejevite P 63/m 8.5591 8.1814 2 519.1 3.28
Jouravskite P 63/m 11.0600 10.5000 2 1112.3 1.99
Keystoneite P 63/m 9.3440 7.6070 2 575.2 4.24
Kinichilite P 63/m 9.4190 7.6650 2 588.9 4.12
Konderite P 6/m 7.0240 16.4800 1 704.1 4.73
Mattheddleite P 63/m 9.9630 7.4640 1 641.6 6.88
Mimetite P 63/m 10.4600 7.4400 2 705.0 7.01
Mineevite-(Y) P 63/m 8.8110 37.0300 2 2489.6 2.82
Mixite P 63/m 13.6300 5.9000 2 949.2 4.07
Nasonite P 63/m 10.0800 13.2700 2 1167.7 5.64
Painite P 63/m 8.7240 8.4640 2 557.9 3.49
Petersite-(Y) P 63/m 13.2880 5.8770 2 898.7 3.43
Phosphohedyphane P 63/m 9.8570 7.1300 2 599.9 5.91
Plumboagardite P 63/m 13.7700 5.9400 2 975.4 3.74
Polkanovite P 63m 9.3100 3.6400 1 273.2 10.69
Pyromorphite P 63/m 10.0000 7.3300 2 634.8 7.10
Quadridavyne P 63/m 25.7710 5.3710 4 3089.2 2.37
Svabite P 63/m 9.7500 6.9200 2 569.7 3.71
Thaumasite P 63/m 11.0300 10.4000 2 1095.8 1.89
Tienshanite P 6/m 16.7720 10.4350 6 2542.1 3.12
Tritomite-(Ce) P 63/m 9.3500 6.8800 2 520.9 5.02
Tritomite-(Y) P 63/m 9.3200 6.8400 2 514.5 4.48
Turneaureite P 63/m 9.8100 6.8680 2 572.4 3.66
Vanadinite P 63/m 10.3310 7.3430 2 678.7 6.93
Wadeite P 63/m 6.8930 10.1720 2 418.6 3.16
Zalesiite P 63/m 13.5710 5.8800 2 937.9 3.56
Zemannite P 63/m 9.4100 7.6400 2 585.9 4.20

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