Hexagonal System

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Hexagonal System

Hexagonal System - Unknown or Uncertain Class

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Axial Configuration	Paper Model

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

System	Class Name	AXES				Planes	Center	Hermann- Maugin Symbols
System	Class Name	2-Fold	3-Fold	4-Fold	6-Fold	Planes	Center	Hermann- Maugin Symbols
Hexagonal	Trigonal Dipyramidal	-	1	-	-	1	-	6
	Pyramidal	-	-	-	1	-	-	6
	Dipyramidal	-	-	-	1	1	yes	6/m
	Ditrigonal Dipyramidal	3	1	-	-	4	-	6m2
	Dihexagonal Pyramidal	-	-	-	1	6	-	6mm
	Trapezohedral	6	-	-	1	-	-	622
	Dihexagonal Dipyramidal	6	-	-	1	7	yes	6/m 2/m 2/m

**52 Minerals From the H-M Class Hexagonal - Unknown or Uncertain**
Mineral	Space Grp	a	c	Z	Vol (Ang3)	Calc Dens
Afghanite	P 6₃/mmc P 6₃mc or P 62c	12.7700	21.3500	4	3015.2	2.64
Arnhemite	Unk	11.0600	16.7500	4	1774.4	2.32
Asbolane	Unk	2.8230	9.6000	2	66.3	8.96
Bayankhanite	Unk
Bellbergite	P 6₃/mmc P 6₂c- P 6₃mc	13.2440	15.9880	1	2428.6	2.20
Blatonite	Unk	15.7900	23.9300	36	5167.0	4.03
Braitschite-(Ce)	Unk	12.1560	7.3770	1	944.0	2.86
Carraraite	P 6₃/m or P 6₃	11.0560	10.6290	2	1125.2	1.98
Carrboydite	Unk	18.2800	20.6800	4	5984.6	2.71
Chiluite	P 6₃22 P 6₃/m P 6₃	8.9700	12.2070	1	850.6	3.98
Chlormagaluminite	P 6/mcm P 6cm P 6c2	5.2900	15.4600	1	374.7	2.09
Cuzticite	Unk	5.0450	14.6300	2	322.5	4.01
Feitknechtite	Unk	8.6000	9.3000	16	595.7	3.92
Felsobanyaite	Unk	22.5560	19.0320	24	8385.7	2.21
Feroxyhyte	Unk	2.9300	4.6000	1	34.2	4.31
Fluocerite-(La)	Unk	4.1350	7.2950	2	108.0	6.03
Goudeyite	Unk	13.4720	5.9020	2	927.7	3.58
Guarinoite	P 6₃/mP 6₃ or P 6₃22	8.3440	21.5990	3	1302.3	2.95
Hydrohonessite	Unk	3.0900	10.8000		89.3	2.67
Hypercinnabar	Unk	7.0100	14.1300	12	601.3	7.71
Jamborite	Unk	3.0700	23.3000	3	190.2	2.91
Johnbaumite	P 6₃/mP 6₃	9.7000	6.9300	2	564.7	3.73
Karnasurtite-(Ce)	Unk.	10.6000	7.3000	3	710.3	3.16
Lourenswalsite	Unk (pseudo-HEX)	5.2440	20.4900	1	488.0	3.19
Majakite	Unk	6.0660	7.2000	6	229.4	10.42
Menshikovite	P 6₃/mP 6₃ or P 6₃22	8.4060	6.7400	4	412.5	10.65
Mertieite-I	Unk	15.0400	22.4100	18	4390.0	10.04
Minehillite	P 6₃/mmm P 62c or P 6₃mc	9.7770	33.2930	1	2756.1	2.88
Mongshanite	Unk
Morelandite	P 6₃/mP 6₃	10.1690	7.3150	2	655.1	5.10
Mountkeithite	Unk	10.6980	22.5450	2	2234.5	2.12
Nagelschmidtite	Unk	5.3800	7.1000	1	178.0	3.48
Namuwite	Unk	8.2900	10.5000	2	624.9	2.81
Nsutite	Unk	9.6500	4.4300	12	357.3	4.87
Oregonite	Unk	6.0830	7.1300	3	228.5	7.04
Orickite	Unk	3.6950	6.1600	1	72.8	4.59
Pimelite	Unk.	5.2560	14.8220	1	354.6	2.60
Plumbonacrite	Unk	9.0760	24.9600	3	1780.6	7.13
Rancieite	Unk	2.8600	7.5000		53.1	3.17
Saddlebackite	Unk	4.2300	33.4000	2	517.6	7.60
Schulenbergite	Hex	8.2490	7.1830	1	423.3	3.32
Takanelite	Unk	8.6800	9.0000	3	587.2	3.56
Tocornalite	Hex ?
Tranquillityite	Unk	11.6900	22.2500	6	2633.2	4.69
Ungursaite	P 6₃/mP 6₃	6.2180	36.8000	1	1232.2	6.87
Vozhminite	Unk	17.4600	7.2000	18	1900.9	6.18
Wallkilldellite-(Fe)	P 6₃/mmc P 6₃mc or P 62c	6.5480	23.2100	1	861.8	2.90
Wardsmithite	Unk
Woodwardite	Unk	6.0000	27.3000	2	851.1	2.58
Zemkorite	P 6₃/mmc P 6₃mc P 6₂c-	10.0600	12.7200	8	1114.8	2.59
Zincaluminite	Unk
Zn-Schulenbergite	Hex	8.2920	7.2710	1	433.0	3.27

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

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