Mineralogy Database

Monoclinic - Prismatic Class

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Monoclinic - Prismatic Class (H-M Symbol (2/m))

Axial Diagram, Paper Model and KrystalShaper Form
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1288 Minerals From the H-M Class Monoclinic - Prismatic
Mineral Space
Grp
a b c alpha Z Vol (Ang3) Calc
Dens
Meas
Dens
Acanthite # P21/n 4.229 6.931 7.862 99.61 4 227.21 7.24 7.2 - 7.4
Actinolite # C2/m 9.84 18.1 5.28 104.7 2 909.61 3.11 3.0 - 3.1
Acuminite C2/c 13.223 5.175 14.251 111.61 8 906.64 3.31 3.3
Admontite 21/c 12.68 10.07 11.32 109.68 4 1,360.99 1.83 1.8 - 1.9
Aegirine # C2/c 9.65 8.79 5.29 107.5 4 427.95 3.59 3.5
Aegirine-augite * C2/c 9.68 8.79 5.26 105 4 432.31 3.50 3.4 - 3.6
Ahlfeldite # 21/m 7.53 8.76 6.43 99.083 4 418.82 3.52 3.4
Akaganeite I2/m 10.587 3.0311 10.515 90.03 1 337.43 3.75 3.0
Akrochordite # 21/c 5.682 17.627 6.832 99.49 2 674.91 3.26 3.2 - 3.3
Alacranite P2/c 9.942 9.601 9.178 101.94 2 857.12 3.44 3.4 - 3.5
Alamosite # P2/n 11.209 7.041 12.22 113.15 12 886.78 6.37 6.5
Allactite # 21/a 11.03 12.12 5.51 114.083 2 672.48 3.94 3.8
Allanite-(Ce) ! 21/m 8.98 5.75 10.23 115 2 478.74 4.26 3.3 - 4.2
Allanite-(La) ! 21/m 8.914 5.726 10.132 114.87 2 469.19 3.95 3.9
Allanite-(Y) ! 21/m 8.98 5.75 10.23 115 2 478.74 4.15 3.3 - 4.2
Allanpringite ! P21/n pseudo-ortho 9.777 7.358 17.83 92.19 4 1,281.74 2.58 2.5
Alleghanyite # 21/a 10.46 4.86 8.3 109.133 2 398.63 4.11 4.0
Allochalcoselite ! C2/m 18.468 6.1475 15.314 119.284 4 1,516.44 4.64
Alluaudite # C2/c 12.004 12.533 6.404 114.4 4 877.40 3.65 3.5 - 3.6
Alpersite ! 21/c 14.166 6.534 10.838 105.922 4 964.69 1.81
Altisite C2/m 10.37 16.32 9.16 105.6 2 1,493.12 2.67 2.6 - 2.7
Aluminite # 21/c 7.44 15.583 11.7 110.18 4 1,273.20 1.80 1.7
Aluminobarroisite ! C2/m 9.9 18 5.3 105 2 912.28 2.91 2.9
Aluminoceladonite ! Unk              
Aluminoferrobarroisite ! C2/m 9.9 18 5.3 105 2 912.28 3.25 2.9
Aluminoferrotschermakite ! C2/m         2    
Aluminomagnesiohulsite ! P2/m 5.3444 3.03 10.506 94.46 2 169.61 3.82
Alumino-magnesiotaramite ! C2/m 9.7899 17.8991 5.3192 104.9   900.75  
Aluminotaramite ! C2/m 9.7489 17.9377 5.3233 104.539 2 901.09 3.29
Alvanite P21/n 17.808 5.132 8.881 92.11 2 811.09 2.50 2.4 - 2.5
Amarillite # C2/c 8.419 10.8409 12.4717 95.495 4 1,133.06 2.22 2.2
Ameghinite C2/c 18.428 9.882 6.326 104.387 8 1,115.87 2.04 2.0
Ammonioborite # C2/c 25.27 9.65 11.56 94.287 6 2,811.08 1.74 1.8
Amstallite C2/c 18.83 11.517 5.19 100.86 4 1,105.37 2.40 2.4
Anandite C2/m 5.412 9.434 19.953 94.87 4 1,015.06 3.88 3.9
Andremeyerite 21/c 7.488 13.785 7.085 118.23 4 644.34 4.26 4.2
Andyrobertsite ! 21/m 9.81 10.034 9.975 101.84 2 960.98 4.15 4.0
Angelaite ! P21/n 4.0329 12.734 14.639 90.103 4 751.78 6.89
Ankinovichite ! P21/n 17.8098 5.1228 8.8665 92.141 2 808.38 2.48 2.5
Annabergite # I2/m 10.122 13.284 4.698 104.75 2 610.88 3.25 3.0 - 3.1
Annite # C2/m 5.39 9.334 10.29 100 2 509.83 3.34 3.2
Ansermetite ! C2/m 13.171 10.128 6.983 111.572 4 866.26 2.42 2.6
Antimonpearceite C2/m 12.8 7.4 11.9 90 2 1,127.17 6.25 6.3
Apatite-(CaOH)-M ! P21/b 9.445 18.853 6.8783 120 4 1,060.70 3.13
Apjohnite # 21/c 6.198 24.347 21.266 100.28 4 3,157.58 1.87 1.8
Aplowite 21/m 5.94 13.56 7.9 90.5 4 636.29 2.36 2.3
Aravaipaite 21/m 25.048 5.8459 5.6805 94.01 4 829.75 6.70
Arfvedsonite # C2/m 9.9 18 5.3 104 2 916.41 3.47 3.4 - 3.5
Aristarainite 21/a 18.886 7.521 7.815 97.72 2 1,099.99 1.90 2.0
Armbrusterite ! C2/m 17.3335 23.539 13.4895 115.069 2 4,985.42 2.54 2.8
Arsenbrackebuschite 21/m 7.764 6.045 9.022 112.5 2 391.20 6.52 6.5
Arseniopleite # I2/a 6.8113 13.0358 11.3245 100.25 4 989.46 4.95 4.2 - 4.3
Arseniosiderite # A2/a 17.76 19.53 11.3 96 12 3,897.97 3.92 3.5 - 3.9
Arsenopyrite # 21/c 5.74 5.68 5.79 112.17 4 174.82 6.19 6.1
Arsenpolybasite C2/m 26.08 15.04 23.84 90 16 9,351.08 5.89 6.2
Arsentsumebite # 21/m 8.85 5.92 7.84 112.6 2 379.21 6.39 6.5
Arthurite 21/c 10.09 9.62 5.55 92.2 2 538.32 3.28 3.0
Artsmithite ! C2/c 17.022 9.074 7.015 101.2 4 1,062.88 6.40
Arupite I2/m 9.889 13.225 4.645 102.41 2 593.29 4.77
Aschamalmite C2/m 13.71 4.09 31.43 91 4 1,762.13 7.35 7.3
Aspidolite C2/m 5.291 9.16 10.12 105.1 2 473.54 2.88
Atelestite # 21/a 10.88 7.42 6.98 107.213 1 538.25 6.95 6.8
Attakolite # C2/m 17.188 11.477 7.322 113.83 4 1,321.25 3.36 3.1 - 3.2
Augelite # C2/m 13.124 7.988 5.06 112.25 4 490.96 2.71 2.7
Augite # C2/c 9.8 9 5.25 105 4 447.27 3.33 3.2 - 3.6
Aurichalcite # 21/m 13.82 6.419 5.29 101.04 2 460.59 3.94 3.6 - 3.9
Aurivilliusite ! C2/m 17.58 6.979 6.693 101.71 8 804.08 8.95
Avdoninite ! P2/m or 21/m 24.34 5.878 11.626 86.7 4 1,660.58 3.06 3.0
Azurite # 21/a 5.008 5.844 10.336 92.333 2 302.25 3.79 3.8 - 3.9
Baddeleyite # 21/c 5.1477 5.203 5.3156 99.38 4 140.47 5.83 5.5 - 6.0
Baghdadite 21/a 10.42 10.16 7.36 91.1 4 779.04 3.42 3.5
Bahianite C2/m 9.406 11.541 4.41 90.94 2 478.66 5.26 4.9 - 5.5
Bakerite # 21/c 4.85 7.627 9.659 90.255 1 357.29 2.90 2.7 - 2.9
Bakhchisaraitsevite ! 21/c 8.32 12.9 17.5 102 4 1,837.20 2.43 2.5
Balangeroite P2/n 19.4 19.4 9.65 88.9 2 3,631.20 3.09 3.0 - 3.1
Bannermanite C2/m 15.413 3.615 10.066 109.29 2 529.37 3.54 3.5
Bannisterite # A2/a 22.265 16.368 24.668 94.285 4 8,964.72 2.77 2.8
Baratovite C2/c 16.94 9.746 20.907 112.5 4 3,188.94 2.93 2.9
Barbosalite # 21/c 7.25 7.46 7.49 120.25 2 349.94 3.72 3.6
Bariandite C2/c 11.7 3.63 29.06 101.5 2 1,209.43 2.49 2.7
Baricite C2/m 10.075 13.416 4.76 104.867 2 621.85 2.30 2.4
Barnesite P2/m 12.17 3.602 7.78 95.03 1 339.73 3.23 3.2
Barroisite # C2/m         2    
Barstowite 21/m 4.2043 9.199 16.663 91.82 2 644.12 5.77 5.5 - 5.7
Barytolamprophyllite C2/m 19.8971 7.1165 5.4108 96.676 2 760.96 3.52 3.6 - 3.7
Bassetite # 21/m 6.98 17.07 7.01 90.53 2 835.20 3.70 3.6
Baumhauerite-2a ! Unk              
Bayerite # 21/a 5.062 8.671 4.713 90.27 4 206.86 2.50 2.5
Bayldonite # A2/a 14.083 5.893 10.152 106.1 4 809.48 5.99 5.5
Bayleyite # 21/a 26.65 15.31 6.53 93.066 4 2,660.50 2.05 2.0
Baylissite 21/a 12.37 6.24 6.86 114.5 2 481.84 2.03
Bazhenovite 21/c 8.45 17.47 8.24 119.5 1 1,058.70 1.75 1.8
Bearthite 21/m 7.231 5.734 8.263 112.57 4 316.37 6.59
Beidellite # C2/m or ORTH 5.14 8.93 15 99.54 2 678.98 1.90 2.0 - 2.3
Belloite ! 21/a 5.552 6.668 6.124 115 4 205.47 3.75
Bementite 21/c 14.838 17.584 14.7 95.54 7 3,817.48 3.10 3.0
Benavidesite 21/a 15.74 19.14 4.06 91.5 2 1,222.71 5.60 5.6
Bendadaite ! 21/c 10.239 9.713 5.552 94.11 2 550.73 3.33
Benjaminite # C2/c 13.246 4.044 20.179 103.21 2 1,052.32 6.74 6.7
Beraunite # C2/c 20.646 5.129 19.213 93.34 4 2,031.07 2.85 2.9
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