208 Minerals From the H-M Class Trigonal - Hexagonal Scalenohedral (3 2/m
Mineral
Space Grp
a
c
Z
Vol (Ang3)
Calc Dens
Aerugite
R
3m
5.9510
27.5680
3
845.5
5.76
Aleksite
P
3m1
4.2423
79.7300
6
1242.7
7.57
Antimony
R
3m
4.2990
11.2500
6
180.1
6.74
Arctite
R
3m
7.0780
41.2030
6
1787.6
2.84
Arsenic
R
3m
3.7680
10.5740
6
130.0
5.74
Bararite
R
3m
5.7600
4.7700
1
137.1
2.16
Benauite
R
3m
7.2800
16.8500
3
773.4
3.88
Bismuth
R
3m
4.5370
11.8380
6
211.0
9.87
Brucite
P
3m1
3.1470
4.7690
1
40.9
2.37
Calcite
R
3c
4.9890
17.0620
6
367.8
2.71
Corundum
R
3c
4.7510
12.9700
6
253.5
4.01
Digenite
R
3m
3.9190
48.0000
3
638.4
5.71
Eirikite
P
3m1
14.3865
4.8733
2
873.5
5.17
Eudialyte
R
3m
14.3400
30.2100
12
5380.0
3.67
Gaspeite
R
3c
4.6210
14.9300
6
276.1
3.90
Goyazite
R
3m
7.0218
16.5970
3
708.7
3.24
Hematite
R
3c
5.0317
13.7370
6
301.2
5.28
Huangite
R
3m
6.9830
33.5170
6
1415.4
2.78
Ingodite
P
3m1
4.2480
23.2200
6
362.9
7.27
Iowaite
R
3m
3.1190
24.5200
1
206.6
1.90
Joseite
R
3m
4.2500
39.7700
3
622.1
8.04
Kitkaite
P
3m1
3.7160
5.1260
1
61.3
7.18
Koenenite
R
3m
34.7200
32.6400
33
34075.4
1.96
Leifite
P
3m1
14.3610
4.8570
3
867.5
2.44
Martyite
P
3m1
6.0818
7.1793
1
230.0
3.38
Melonite
P
3m1
3.8420
5.2660
1
67.3
7.74
Mercury
R
3m
3.4573
6.6636
3
69.0
14.49
Nelenite
R
3m
13.4180
85.4800
12
13328.2
3.46
Nevskite
P
3m1
4.1970
22.8000
6
347.8
7.51
Olgite
P
3m1
5.5580
7.0370
2
188.3
4.02
Orpheite
R
3m
7.0000
16.7200
3
709.5
4.08
Otavite
R
3c
4.9120
16.1990
6
338.5
5.07
Poubaite
R
3m
4.2520
40.0950
3
627.8
7.86
Rinneite
R
3c
11.9000
13.9100
6
1705.9
2.39
Rosiaite
P
31m
5.2950
5.3720
1
130.4
6.96
Shandite
R
3m
5.5650
13.6310
3
365.6
8.92
Siderite
R
3c
4.7200
15.4600
6
298.3
3.87
Smythite
R
3m
3.4700
34.5000
1
359.8
3.98
Takovite
R
3m
6.0400
45.1600
3
1426.8
2.79
Tsumoite
P
3m1
4.4220
24.0500
6
407.3
8.23
Zairite
R
3m
7.0150
16.3650
3
697.4
4.62
(* - Mineral Name is Not IMA Approved)
(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name