Mineralogy Database

Trigonal - Unknown Class

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Trigonal - Unknown Class ()

Axial Diagram and Paper Model
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
30 Minerals From the H-M Class Trigonal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Alunite # R3m, R3m 6.97 17.38 4 731.22 3.76 2.6 - 2.9
Babkinite ! P3,P3m- 4.191 39.6 3 602.37 8.07 8.1
Cesarolite # HEX-R 2.811 20.386 1 139.50 5.98 5.3
Coombsite ! R3 or R3 11.828 29.146 3 3,531.28 3.00 3.0
Cronusite ! Rm, R3m or R32 3.326 33.29 3 318.93 2.53 2.5
Daqingshanite-(Ce) R3m, R3m or R32 10.058 9.225 4 808.20 4.52 3.8
Desautelsite R3m or R3m 6.23 46.78 3 1,572.41 2.09 2.1
Droninoite ! R3m, R3m or R32 6.206 46.184 6 1,540.44 2.86
Ernienickelite R3 or R3 7.514 20.52 6 1,003.35 3.87 3.8
Francoanellite R3c or R3c 8.71 82.5 6 5,420.27 2.28 2.3
Geerite R3m, R3m, or R32 3.83 46.84 3 595.04 5.60
Glaucocerinite # Unk (HEX-R) 3.057 32.52 0.375 263.19 2.32 2.4
Jianshuiite R3 or R3 7.54 20.82 6 1,025.07 3.57 3.5 - 3.6
Karchevskyite ! P3, P31m, P31m, P312 16.055 25.66 3 5,728.07 2.18 2.2
Magnesionigerite-6N6S ! Unk 5.692 13.78 1 386.64 4.14 4.2
Marinellite ! P31c or P2c 12.88 31.761 1 4,563.07 2.43 2.4
Mathewrogersite R3,R3-,R32,R3m,R3m- 8.457 45.97 3 2,847.33 4.69 4.7
Melanocerite-(Ce) # Unk (HEX-R) 9.35 6.88 2 520.89 5.76 4.1
Muskoxite Unk (pseudo HEX-R) 3.07 4.6 0.1 37.55 3.46 3.2
Nanlingite R3m, R3m 10.24 25.76 12 2,339.25 3.91 3.9
Orlymanite P3-,P3 9.6 35.92 5 2,866.88 2.92 2.7 - 2.8
Philipsbornite R3m-,R3m 7.11 17.05 3 746.44 4.46 4.3
Romanite * Trig ?           4.1 - 4.5
Stepanovite # Unk 9.84 36.67 6 3,074.91 1.69 1.7
Sztrokayite * Trig ?          
Tegengrenite ! R3 or R3- 16.196 14.948 42 3,395.70 4.50
Truscottite # p3 or p3 9.731 18.836 1 1,544.67 2.54 2.3
Vanoxite # Unk          
Zhemchuzhnikovite Unk 16.67 12.51 6 3,010.64 1.63 1.7
Zirklerite # Unk           2.6