Mineralogy Database

Tetragonal - Pyramidal Class

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Tetragonal - Pyramidal Class (H-M Symbol (4))

Axial Diagram, Paper Model and KrystalShaper Form
LEGEND: Bold - (Valid Mineral Species)     ! - Dana Number Added     # - (Grandfathered as Valid}     ? - (Discredited or otherwise Invalid Species)     * - (Not Approved IMA)     See Mouse Pointer Tool Tip on Mineral Name for more Information
5 Minerals From the H-M Class Tetragonal - Pyramidal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Percleveite-(Ce) ! P41 6.781 24.689 8 1,135.25 5.18
Pinnoite # P42 7.617 8.19 4 475.17 2.29 2.3
Piypite I4 13.6 4.98 4 921.10 2.98 3.1
Richellite # P4 5.18 12.61 0.25 338.36 2.04 2.0
Stenhuggarite I41 16.075 10.658 16 2,754.09 4.63 4.6