Mineralogy Database

Tetragonal - Disphenoidal Class

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Tetragonal - Disphenoidal 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
9 Minerals From the H-M Class Tetragonal - Disphenoidal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Cahnite # I4 7.095 6.19 2 311.60 3.18 3.2
Crookesite # I4 10.435 3.954 2 430.55 7.26 6.9
Kesterite # I4 5.44 10.88 2 321.98 4.88 4.5 - 4.6
Meliphanite # I4 10.516 9.887 8 1,093.37 2.93 3.0
Nagyagite # P4 4.14 30.15 2 516.76 6.81 7.5
Nickelphosphide ! I4 8.99 4.396 6 355.29 5.70
Schreibersite # I4 9.013 4.424 8 359.38 7.42 7.0 - 7.8
Tillmannsite ! I4 7.727 4.648 2 277.52 7.72
Tugtupite I4 8.583 8.817 2 649.53 2.39 2.4