Monoclinic System

Monoclinic System
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Monoclinic System - Unknown or Uncertain Class

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  • Amorphous
  • Isometric
    • Diploidal
    • Gyroidal
    • Hexoctahedral
    • Hextetrahedral
    • Tetartoidal
  • Tetragonal
    • Dipyramidal
    • Disphenoidal
    • Ditetragonal
      Dipyramidal
    • Ditetragonal
      Pyramidal
    • Pyramidal
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  • Orthorhombic
    • Dipyramidal
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  • Hexagonal
    • Dihexagonal
      Dipyramidal
    • Dihexagonal
      Pyramidal
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      Dipyramidal
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      Dipyramidal
  • Trigonal
    • Ditrigonal
      Pyramidal
    • Hexagonal
      Scalenohedral
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  • Monoclinic
    • Domatic
    • Prismatic
    • Sphenoidal
  • Triclinic
    • Pedial
    • Pinacoidal

Axial Configuration Paper Model

Partial listing of all valid minerals that crystallize in the Monoclinic System. There is not enough known about them to permit assignment into a class.

System Class Name

AXES

 Planes Center
Hermann-
Maugin
Symbols
2-Fold 3-Fold 4-Fold 6-Fold
Monoclinic Domatic - - - - 1 - m
Sphenoidal 1 - - - - - 2
Prismatic 1 - - - 1 yes 2/m
180 Minerals From the H-M Class Monoclinic - Unknown or Uncertain
Mineral Space Grp a b c beta Z Vol (Ang3) Calc Dens
Aliettite Unk 5.2160 24.6000     1 669.3 2.04
Anthonyite Unk.       112.63      
Apachite Unk 12.8900 6.0550 19.1100 90.42 2 1491.5 3.37
Ardaite Unk 22.0900 21.1100 8.0500 103.02 2 3657.4 6.26
Artinite C 2 or C 2/m 16.5600 3.1500 6.2200 99.00 2 320.5 2.04
Arzakite P 2/mP 2Pm 8.9900 5.2400 18.4500 92.46 5 868.3 7.68
Balavinskite Mono ?              
Barahonaite-(Al) P 2/a or Pa 10.1610 22.3900 10.5450 93.30 2 2395.1 2.85
Barahonaite-(Fe) P 2/a or Pa 10.1720 22.4300 5.2860 93.09 2 1204.3 5.91
Bariumbannisterite Unk              
Bartelkeite P 21P 21/m 5.4310 13.6890 5.8920 111.48 2 407.6 4.96
Bearsite Cc or C 2/c 8.5500 36.9000 7.1300 97.82 12 2228.6 2.20
Berdesinskiite P 2/c or Pc 10.1100 5.0840 7.0300 111.46 4 336.3 4.54
Brewsterite-Ba P 21/mP 21 6.7800 17.5990 7.7330 94.47 2 919.9 2.50
Brumadoite P 21/m or P 21 8.6290 5.8050 7.6540 103.17 2 373.3 4.76
Buddingtonite P 21 or P 21/m 8.5710 13.0320 7.1870 112.70 4 740.6 2.39
Burckhardtite Cm or C 2/m (pseudo-HEX) 5.2100 9.0400 12.8500 90.00 2 605.2 5.13
Caichengyunite Mono 7.6300 24.1300 22.6400 111.06 4 3889.9 2.30
Calcurmolite Unk              
Caryopilite Cm or C 2/m 5.6680 9.8110 7.5270 104.52 2 405.2 3.06
Cebaite-(Ce) C 2/m or C 2 21.4256 5.0348 13.2395 91.61 4 1427.6 4.79
Cebaite-(Nd) Unk              
Chistyakovaite-(Y) P 2/m P 2 or Pm 19.9900 9.7900 19.6200 110.70 8 3591.8 3.59
Churchite-(Dy) Unk              
Churchite-(Nd) Unk              
Churchite-(Y) A2/aAa 5.6100 15.1400 6.1900 115.30 4 475.3 3.07
Clinobirnessite Unk 8.5400 15.3900 7.0000 132.20 1 681.6 3.55
Clinochrysotile Cc C 2/m 5.3200 9.2100 14.4500 93.25 4 706.9 2.60
Clinoptilolite-K C 2/m C 2 Cm 17.6880 17.9020 7.4090 116.50 1 2099.6 2.24
Clinoptilolite-Na C 2/m C 2 Cm 17.6270 17.9550 7.3990 116.29 1 2099.5 2.14
Clinotobermorite CcC 2/c 11.3310 7.3530 22.6700 96.59 4 1876.3 2.66
Clinoungemachite (pseudo-HEX-R) 7.4400 15.5830 11.7000 110.18 2 1273.2 3.05
Coconinoite C 2/cCc 12.5000 12.9700 23.0000 106.60 4 3573.5 2.86
Coiraite Unk 5.8400 5.8600 17.3200 94.14 1 591.2 11.95
Cousinite ?              
Dadsonite P 2PmP 2/m 19.0500 4.1100 17.3300 96.33 1 1348.6 5.51
Decrespignyite-(Y) P 2 Pm or P 2/m 8.8990 22.7700 8.5890 120.06 4 1506.3 3.83
Denisovite Unk 30.9200 7.2000 18.2700 95.00 20 4051.9 2.84
Douglasite Unk.       104.76      
Dypingite Unk. 16.3000 23.8000 9.4500 90.00 8 3666.0 1.76
Earlandite Unk 30.9400 5.9300 10.5600 93.74 4 1933.4 1.96
Eggletonite Ia or I2/a 5.5540 13.7200 25.0000 93.95 2 1900.5 2.80
Ernstite C 2/c or Cc 13.9200 10.4970 6.9690 90.37 8 1018.3 2.75
Eugsterite Unk.       116.00      
Eztlite Unk 6.5800 9.6800 20.5200 90.25 2 1307.0 4.61
Falkmanite Unk 21.6260 7.8760 11.4090 96.12 4 1932.2 6.33
Feinglosite P 21P 21/m 8.9730 5.9550 7.7660 112.20 2 384.2 6.50
Ferrisurite P 21 or P 21/m 5.2410 9.0760 16.2300 90.03 2 772.0 3.94
Ferrosaponite C? 5.3630 9.3060 14.6400 94.98 2 727.9 2.40
Fervanite Unk. 9.0200   6.6500 103.33      
Foshallasite Unk              
Franconite Unk 22.2200 12.8600 6.3600 92.23 4 1816.0 2.76
Gatumbaite P12/mP 2Pm 6.9070 5.0950 10.7640 91.05 2 378.7 2.95
Gearksutite Unk              
Gilalite Unk 13.3800 19.1600 9.0260 90.00 4 2313.9 2.54
Giorgiosite ?              
Girdite Unk 6.2410 5.6860 8.7190 91.68 1 309.3 5.49
Glucine ?              
Grandviewite P 2 Pm or P 2/m 10.9080 6.3930 10.1180 107.47 1 673.0 2.76
Greenalite Unk 5.5400 9.5500 7.4400 104.20 2 381.6 3.08
Griffithite Unk              
Heulandite-Ca C 2/m Cm C 2 17.1800 17.8900 7.4280 116.42 1 2044.6 2.29
Heulandite-Na C 2/m Cm C 2 17.6700 17.9820 7.4040 116.40 1 2107.2 2.15
Heulandite-Sr C 2/m Cm C 2 17.6550 17.8770 7.3960 116.65 1 2086.3 2.29
Hisingerite Unk 5.4000 9.0300 14.9900 98.32 4 723.3 3.23
Hochelagaite Unk 19.9800 12.8800 6.4460 93.41 4 1655.9 2.95
Hydrobasaluminite Unk. 14.9110 9.9930 13.6400 112.24 4 1881.2 2.27
Hydrombobomkulite Unk 10.1450 17.1550 20.8700 90.55 8 3632.0 2.80
Ikaite C 2/c or Cc 8.8700 8.2300 11.0200 110.20 4 755.0 1.83
Ilmajokite C 2/c or Cc 23.0000 24.4000 37.0000 96.38 50 20635.8 2.19
IMA2007-010 P lattice 19.1130 4.2330 22.9580 114.78 8 1686.4 5.91
IMA2008-022 pseudo-orthorhombic 4.2810 10.2300 6.8650 90.35   300.6  
Imogolite ?              
Indigirite Unk.              
Irhtemite Unk 16.7300 9.4800 10.8400 97.25 4 1705.5 3.17
Isoclasite Unk              
Jachymovite P 21P 21/m 18.5530 9.2760 13.5320 125.56 2 1894.5 4.78
Jinshajiangite C 2/mCmC 2 10.7320 13.8470 20.8170 95.05 4 3081.5 3.82
Jonassonite F2/m F2 or Fm 18.3290 4.1080 13.9740 100.90 4 1033.2 8.65
Kaatialaite P 21P 21/m 15.3400 19.8000 4.7520 91.90 4 1442.5 2.66
Kankite Unk 18.8030 17.4900 7.6330 92.71 16 2507.4 2.73
Karpinskite Unk              
Kegelite A2/mA2Am 21.0400 15.5500 8.9860 91.00 3 2939.5 4.88
Kenyaite P? 7.7900 19.7200 6.9100 95.90 1 1055.9 2.46
Kitaibelite Mono ?              
Kleemanite P 2 P 21 P 2/m or P 21/m 6.2900 7.1940 9.7620 110.20 2 414.6 3.18
Klyuchevskite Unk. 18.4120 4.9940 18.6400 101.50 4 1679.5 3.03
Klyuchevskite-Duplicate I2/m Im or I2 18.4100 4.9400 18.6400 101.50 4 1661.2 3.12
Kogarkoite Unk (pseudo HEX-R) 18.0730 6.9490 11.4400 107.71 12 1368.7 2.68
Kolovratite ?              
Kulkeite Unk 5.3190 9.1950 23.8970 97.10 2 1159.8 2.70
Kyzylkumite Unk 33.8000 4.5780 19.9900 93.40 18 3087.7 3.77
Lausenite Unk.              
Lavrentievite P 2/mP 2Pm 8.9400 5.1940 18.3300 92.73 5 850.2 7.41
Lepidolite C 2/mCm 5.2100 8.9700 20.1600 100.80 4 925.5 2.79
Lotharmeyerite C 2/mC 2Cm 9.0660 6.2760 7.4080 116.16 2 378.3 4.31
Loudounite Unk              
Luddenite Unk 7.8500 20.0600 14.7200 90.78 6 2317.8 4.98
Lunijianlaite Unk 5.0900 8.9700 23.3970 90.00 2 1068.2 2.74
Macaulayite C? 5.0380 8.7260 36.3420 92.00 2 1596.7 4.40
Magadiite Unk 7.2500 7.2500 15.6900 96.80 2 818.9 2.23
Maufite Mono ?              
Maxwellite AaA2/a 7.1610 8.7800 6.6870 114.58 4 382.3 4.11
Melkovite Unk. 17.4600 18.4800 10.9300 94.50 7 3515.8 3.10
Mendozavilite Unk. 18.9520 11.0080 15.1030 129.89 3 2417.6 3.81
Meta-alunogen Unk              
Middendorfite P 21/m or P 21 12.5500 5.7210 26.8600 114.04 2 1761.2 2.65
Misenite Unk 23.0000 7.1040 8.7100 102.66 2 1388.5 2.37
Montanite Unk              
Moraesite CcC 2/c 8.5530 12.3190 7.1550 97.93 4 746.7 1.80
Mourite Pc or P 2/c 24.4430 7.1820 9.9010 102.22 4 1698.7 4.22
Mundrabillaite PmP 2P 2/m 8.6430 8.1840 6.4110 98.00 2 449.1 2.12
Museumite P 21 or P 21/m 4.3610 6.6180 20.8580 92.71 2 601.3 11.00
Nahpoite P 21/mP 21 5.4700 6.8400 5.4500 116.33 2 182.8 2.58
Namibite C 2/mCmC 2 11.8640 3.6960 7.4190 109.70 2 306.3 6.81
Natrite C 2 or Cm 8.9060 5.2380 6.0450 101.00 4 276.8 2.54
Natrobetpakdalite Unk 11.2800 19.3000 17.6700 94.50 4 3835.0 2.84
Natroniobite Unk              
Nifontovite C 2/cCc 13.0890 9.4980 13.5660 119.58 4 1466.7 2.36
Niksergievite C 2/m C 2 or Cm 5.1760 8.9890 16.1660 96.44 2 747.4 3.21
Nullaginite P 21/mP 21 9.2360 12.0010 3.0910 90.48 4 342.6 4.10
Okhotskite-(Mg) Unk              
Olkhonskite Unk 7.0300 5.0200 18.8300 119.60 4 577.8 4.50
Oxiberaunite Unk              
Paragonite C 2/cCc 5.1300 8.8900 19.3200 95.00 4 877.8 2.89
Paramendozavilite Unk.              
Parascholzite C 2/c or Cc 17.8640 7.4220 6.6740 106.45 4 848.7 3.11
Parwanite P 2 Pm P 2/m P 21 26.1480 11.7810 20.4940     6313.2  
Peisleyite Unk 13.3100 12.6200 23.1400 110.00 2 3652.5 2.08
Petrovskaite P 2/mP 2Pm 4.9430 6.6700 7.2210 95.68 4 236.9 9.51
Plumosite Unk              
Potassic-magnesiosadanagaite C 2CmC 2/m 10.0000 18.0600 5.3550 105.55 2 931.7 3.21
Potassicsadanagaite C 2CmC 2/m              
Pyrocoproite Unk 9.4100 5.4240 12.5400 104.35 4 620.1 3.14
Rabbittite Unk 32.6000 23.8000 9.4500 90.00 8 7332.1 2.69
Rameauite C 2/cCc 13.9700 14.2600 14.2200 121.02 4 2427.7 5.55
Ranunculite Unk (pseudo ORTH) 11.1000 17.7000 18.0000 90.00 14 3536.5 3.39
Rectorite Unk 5.1300 8.8800 23.8500 96.30 2 1079.9 2.41
Redingtonite Unk         4    
Rilandite Mono ?              
Rouvilleite CcC 2/c 8.0430 15.8120 7.0300 101.16 4 877.1 2.64
Rudenkoite P 2/m P 2 or Pm 5.8930 7.2620 10.2880 97.20 1 436.8 3.33
Rusakovite Mono ?              
Sadanagaite C 2CmC 2/m 9.9220 18.0100 5.3520 105.30 2 922.5 3.36
Sakharovaite Unk         1    
Shabaite-(Nd) P 2P 2/mPm 9.2080 32.0900 8.3350 90.30 5 2462.8 3.27
Shabynite Unk.              
Shkatulkalite P 2PmP 2/m 5.4680 7.1800 31.1000 94.00 1 1218.0 1.48
Sobotkite Unk.   9.1600 14.5000        
Sokolovaite C 2/m C 2 or Cm 5.1820 9.0050 10.6920   2 498.9 3.22
Spodiophyllite Unk              
Steigerite P 21/m P 2 11.8400 25.0000 11.0400 110.16 24 3067.6 2.55
Sterlinghillite Mono 12.3900 11.2300 11.6200 98.45 6 1599.3 3.09
Stevensite Unk (ORTH ?) 5.2600 9.1080 15.3000 90.00 2 733.0 2.13
Strashimirite P 2/mP 2Pm 9.7100 18.8500 8.9400 97.20 3 1623.4 3.75
Sundiusite C 2CmC 2/m 24.6700 3.7810 11.8810 100.07 2 1091.2 7.20
Surite P 21 ro P 21/m 5.2410 8.9500 16.2000 90.00 2 759.9 4.10
Sveite Unk 10.8900 13.0400 30.7100 92.17 6 4357.9 2.20
Tacharanite A centered 17.0700 3.6500 27.9000 114.10 1 1586.8 2.28
Ternovite P 2/mP 2Pm 20.6560 13.0620 6.3380 90.92 4 1709.8 2.94
Tertschite Unk              
Tikhonenkovite Unk 8.7300 10.6200 5.0200 102.43 4 454.5 3.30
Tlapallite Unk 11.9700 9.1100 15.6600 90.04 4 1707.7 5.38
Tochilinite P 2 Pm or P 2/m 5.3500 15.5400 10.8900 94.81 2 902.2 3.33
Trabzonite P 21P 21/m 6.8950 20.6400 6.9200 98.00 4 975.2 3.00
Tsnigriite P 2/mPm 8.8900 8.2920 19.5000 97.02 4 1426.7 7.43
Tuperssuatsiaite C 2/m 14.0340 17.8410 5.2650 103.67 2 1280.9 2.12
Tveitite-(Y) Unk 3.9240 3.8930 5.5240 90.27 2 84.4 3.87
Usovite C 2/c or Cc 13.5650 5.2000 14.5570 91.35 4 1026.5 4.26
Verbeekite C 2 Cm or C 2/m 6.6570 4.1290 4.4400 92.83 2 121.9 7.20
Viaeneite Unk 9.7170 7.2800 6.5590 95.00 2 462.2 3.78
Viitaniemiite P 21P 21/m 6.8320 7.1430 5.4470 109.37 2 250.8 3.19
Vincentite Unk 11.2260 6.3180 8.0470 100.95 8 560.4 11.07
Vitimite P 2/m P 2 Pm pseudo-hex 14.1000 19.5300 14.0500 120.39 4 3337.4 2.24
Vochtenite Unk 12.6060 19.9900 9.9900 102.52 3 2457.6 3.66
Wawayandaite P 2/c or Pc 15.5900 4.8700 18.6900 101.84 1 1388.8 3.02
Xiangjiangite C 2/c or Cc 12.5400 12.9800 23.8000 108.60 4 3671.6 3.47
Xocolatlite P 2 P 2/m Pm P 21 P 31/m 10.7570 4.9280 8.9420 102.39 2 463.0 4.70
Zinalsite Unk              
Zodacite C 2/cCc 10.1520 24.1400 6.3080 91.14 2 1545.6 2.78

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

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