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Norrishite

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Hoskins mine, Grenfell, Forbes Co., New South Wales, Australia
© Peter Kohorst

Formula:
KLiMn
2+
2
[(OH)
 
2
|Si
 
4
O
 
10
]
System:MonoclinicHardness:2½
This page provides mineralogical data about Norrishite.

Classification of Norrishite

IMA status:Approved
Strunz 8th edition ID:8/H.11-30
Nickel-Strunz 10th (pending) edition ID:9.EC.20

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.2.2b.11

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
Hey's CIM Ref.:14.18.4

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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Type Occurrence of Norrishite

Type Locality:Hoskins mine, Grenfell, Forbes Co., New South Wales, Australia
Year of Discovery:1989

Physical Properties of Norrishite

Hardness (Mohs):2½

Crystallography of Norrishite

Crystal System:Monoclinic
Cell Parameters:a = 5.29Å, b = 8.93Å, c = 10.07Å
β = 98°
Ratio:a:b:c = 0.592 : 1 : 1.128
Unit Cell Volume:V 471.07 ų (Calculated from Unit Cell)

Optical Data of Norrishite

Type:Biaxial (+)
RI values: nα = 1.636 nβ = 1.687 nγ = 1.785
2V:Measured: 74° to 75°, Calculated: 76°
Maximum Birefringence:δ = 0.149

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:weak

Chemical Properties of Norrishite

Formula:
KLiMn
2+
2
[(OH)
 
2
|Si
 
4
O
 
10
]
Essential elements:K, Li, Mn, O, Si
All elements listed in formula:H, K, Li, Mn, O, Si
Common Impurities:Ti,Al,Fe,Mg,Ba,Na,F,Cl,H2O

Relationship of Norrishite to other Species

Related to:
  • Mica Group
    • Related Minerals - Nickel-Strunz Grouping):
    9.EC.05Minnesotaite
    (Fe,Mg)
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.05Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.05Willemseite
    (Ni,Mg)
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.10Ferripyrophyllite
    Fe
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.10Pyrophyllite
    Al
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.15Boromuscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|BSi
     
    3
    		O
     
    10
    		]
    9.EC.15Celadonite
    K(Mg,Fe
    2+
     
    		)(Fe
    3+
     
    		,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Chernykhite
    (Ba,Na)(V
    3+
     
    		,Al,Mg)
     
    2
    		[(OH)
     
    2
    		|(Si,Al)
     
    4
    		O
     
    10
    		]
    9.EC.15Montdorite
    (K,Na)
     
    2
    		(Fe
    2+
     
    		,Mn
    2+
     
    		,Mg)
     
    5
    		[(OH,F)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
     
    2
    9.EC.15Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Nanpingite
    CsAl
     
    2
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Paragonite
    NaAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Roscoelite
    K(V,Al)
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Tobelite
    (NH
     
    4
    		,K)Al
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Aluminoceladonite
    K(Mg,Fe
    2+
     
    		)(Al,Fe
    3+
     
    		)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Chromphyllite
    K(Cr,Al)
     
    2
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.15Ferro-aluminoceladonite
    K(Fe
    2+
     
    		,Mg)(Al,Fe
    3+
     
    		)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Ferroceladonite
    K(Fe
    2+
     
    		,Mg)(Fe
    3+
     
    		,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Chromceladonite
    K(Mg,Fe
    2+
     
    		)(Cr,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Tainiolite
    KLiMg
     
    2
    		[F
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.15Ganterite
    (Ba,Na,K)(Al,Mg)
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Annite
    KFe
    2+
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Biotite
    9.EC.20Ephesite
    NaLiAl
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.20Hendricksite
    K(Zn,Mg,Mn
    2+
     
    		)
     
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Masutomilite
    (K,Rb)(Li,Mn
    3+
     
    		,Al)
     
    3
    		[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Polylithionite
    KLi
     
    2
    		Al[(F,OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.20Preiswerkite
    NaMg
     
    2
    		Al[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.20Siderophyllite
    KFe
    2+
    2
    		Al[(F,OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.20Tetra-ferriphlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|(Fe
    3+
     
    		,Al)Si
     
    3
    		O
     
    10
    		]
    9.EC.20Wonesite
    (Na,K)(Mg,fe,Al)
     
    6
    		(Al,Si)
     
    8
    		O
     
    20
    		(OH,F)
     
    4
    9.EC.20Zinnwaldite
    KLiFe
    2+
     
    		Al[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Eastonite
    KMg
     
    2
    		Al[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.20Tetraferriannite
    KFe
    2+
    3
    		[(OH)
     
    2
    		|(Fe
    3+
     
    		,Al)Si
     
    3
    		O
     
    10
    		]
    9.EC.20Trilithionite
    K(Li,Al)
     
    3
    		[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Fluorannite
    KFe
    2+
    3
    		[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Shirokshinite
    KNaMg
     
    2
    		[F
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    9.EC.20Shirozulite
    K(Mn
    2+
     
    		,Mg)
     
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Sokolovaite
    CsLi
     
    2
    		AlSi
     
    4
    		O
     
    10
    		F
     
    2
    9.EC.20Aspidolite
    NaMg
     
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.20Fluorophlogopite
    KMg
     
    3
    		[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.25Brammallite
    Na
     
    0.65
    		Al
     
    2.0
    		ٱAl
     
    0.65
    		Si
     
    3.35
    		O
     
    10
    		(OH)
     
    2
    9.EC.30Margarite
    CaAl
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.35Anandite
    (Ba,K)(Fe
    2+
     
    		,Mg)
     
    3
    		[(O,OH)
     
    2
    		|(Si,Al,Fe)
     
    4
    		O
     
    10
    		]
    9.EC.35Bityite
    CaLiAl
     
    2
    		[(OH)
     
    2
    		|BeAlSi
     
    2
    		O
     
    10
    		]
    9.EC.35Clintonite
    Ca(Mg,Al)
     
    3
    		[(OH)
     
    2
    		|Al
     
    3
    		SiO
     
    10
    		]
    9.EC.35Kinoshitalite
    (Ba,K)(Mg,Mn
    2+
     
    		,Al)
     
    3
    		[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.35Ferrokinoshitalite
    (Ba,K)(Fe
    2+
     
    		,Mg)
     
    3
    		[(OH,F)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    9.EC.35Oxykinoshitalite
    (Ba,K)(Mg,Ti,Fe
    3+
     
    		,Fe
    2+
     
    		)
     
    3
    		[(O,OH,F)
     
    2
    		|(Si,Al)
     
    4
    		O
     
    10
    		]
    9.EC.40Beidellite
    (Na,Ca
     
    0.5
    		)
     
    0.3
    		Al
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    9.EC.40Kurumsakite
    (Zn,Ni,Cu)
     
    8
    		Al
     
    8
    		V
     
    2
    		Si
     
    5
    		O
     
    35
    		·27H
     
    2
    		O (or near)
    9.EC.40Montmorillonite
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    9.EC.40Nontronite
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    9.EC.40Volkonskoite
    Ca
     
    0.3
    		(Cr,Mg,Fe)
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    9.EC.40Yakhontovite
    (Ca,Na)
     
    0.5
    		(Cu,Fe,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·3H
     
    2
    		O
    9.EC.40Smectite
    9.EC.45Hectorite
    Na
     
    0.3
    		(Mg,Li)
     
    3
    		Si
     
    4
    		O
     
    10
    		(F,OH)
     
    2
    9.EC.45Saponite
    Ca
     
    0.25
    		(Mg,Fe)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    9.EC.45Sauconite
    Na
     
    0.3
    		Zn
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    9.EC.45Spadaite
    MgSiO
     
    2
    		(OH)
     
    2
    		·H
     
    2
    		O
    9.EC.45Stevensite
    (Ca,Na)
     
    x
    		Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.45Swinefordite
    Li(Al,Li,Mg)
     
    4
    		(Si,Al)
     
    8
    		O
     
    20
    		,(OH,F)
     
    4
    		·xH
     
    2
    		O
    9.EC.45Zincsilite
    Zn
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    9.EC.45Ferrosaponite
    Ca
     
    0.3
    		(Fe
    2+
     
    		,Mg,Fe
    3+
     
    		)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    9.EC.50Vermiculite
    (Mg,Fe,Al)
     
    3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    9.EC.55Baileychlore
    (Zn,Fe,Al,Mg)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
    9.EC.55Chamosite
    (Fe
    2+
     
    		,Mg)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.55Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.55Cookeite
    LiAl
     
    4
    		(Si
     
    3
    		Al)O
     
    10
    		(OH)
     
    8
    9.EC.55Franklinfurnaceite
    Ca
     
    2
    		FeMn
     
    3
    		MnZn
     
    2
    		Si
     
    2
    		O
     
    10
    		(OH)
     
    8
    9.EC.55Gonyerite
    (Mn,Mg)
     
    5
    		Fe(Si
     
    3
    		Fe)O
     
    10
    		(OH)
     
    8
    9.EC.55Nimite
    (Ni,Mg,Al)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
    9.EC.55Orthochamosite
    (Fe,Mg,Fe)
     
    5
    		Al(Si
     
    3
    		Al)O
     
    10
    		(OH,O)
     
    8
    9.EC.55Pennantite
    (Mn
     
    5
    		Al)(Si
     
    3
    		Al)O
     
    10
    		(OH)
     
    8
    9.EC.55Sudoite
    (Mg,Fe
    2+
     
    		)
     
    2
    		Al
     
    3
    		[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.55Donbassite
    Al
     
    2
    		[Al
     
    2.33
    		][Si
     
    3
    		AlO
     
    10
    		](OH)
     
    8
    9.EC.55Glagolevite
    Na(Mg,Al)
     
    6
    		[(OH,O)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    9.EC.55Borocookeite
    Li
     
    1+3x
    		Al
     
    4-x
    		[(BSi
     
    3
    		)O
     
    10
    		](OH)
     
    8
    		 [0.00 <= x <=0.33]
    9.EC.60Aliettite
    Ca
     
    0.2
    		Mg
     
    6
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    4
    		·4H
     
    2
    		O
    9.EC.60Corrensite
    (Mg,Fe)
     
    9
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    10
    		·nH
     
    2
    		O
    9.EC.60Dozyite
    Mg
     
    7
    		Al
     
    2
    		[(OH)
     
    12
    		|Al
     
    2
    		Si
     
    4
    		O
     
    15
    		]
    9.EC.60Hydrobiotite
    9.EC.60Karpinskite
    (Ni,Mg)
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    2
    9.EC.60Kulkeite
    Mg
     
    8
    		Al(AlSi
     
    7
    		)O
     
    20
    		(OH)
     
    10
    9.EC.60Lunijianlaite
    Li
     
    0.7
    		Al
     
    6.2
    		(Si
     
    7
    		AlO
     
    20
    		)(OH,O)
     
    10
    9.EC.60Rectorite
    (Na,Ca)Al
     
    4
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    4
    		·2H
     
    2
    		O
    9.EC.60Saliotite
    Li
     
    0.5
    		Na
     
    0.5
    		Al
     
    3
    		Si
     
    3
    		AlO
     
    10
    		(OH)
     
    5
    9.EC.60Tosudite
    9.EC.60Brinrobertsite
    Na
     
    0.3
    		Al
     
    4
    		[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
     
    2
    		 · 3.5 H
     
    2
    		O
    9.EC.65Macaulayite
    (Fe,Al)
     
    24
    		Si
     
    4
    		O
     
    43
    		(OH)
     
    2
    9.EC.70Burckhardtite
    Pb
     
    2
    		(Fe,Mn)AlTeO
     
    2
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    2
    		·H
     
    2
    		O
    9.EC.75Ferrisurite
    (Pb,Ca)
     
    2-3
    		(CO
     
    3
    		)
     
    1.5-2
    		(OH,F)
     
    0.5-1
    		[(Fe,Al)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		]·nH
     
    2
    		O
    9.EC.75Surite
    Pb(Pb,Ca)(CO
     
    3
    		)
     
    2
    		(Al,Fe,Mg)
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    9.EC.75Niksergievite
    (Ba,Ca)
     
    2
    		(Al,Si)
     
    7
    		O
     
    10
    		(CO
     
    3
    		)(OH)
     
    6
    		·nH
     
    2
    		O
    9.EC.80Kegelite
    Pb
     
    12
    		(Zn,Fe)
     
    2
    		Al
     
    4
    		(SO
     
    4
    		)
     
    4
    		Si
     
    11
    		O
     
    38
    		 or near
    Related Minerals - Hey's Index Grouping:
    14.18.1Nambulite
    (Li,Na)Mn
     
    4
    		Si
     
    5
    		O
     
    14
    		(OH)
    14.18.2Natronambulite
    (Na,Li)(Mn,Ca)
     
    4
    		Si
     
    5
    		O
     
    14
    		OH
    14.18.3Zakharovite
    Na
     
    4
    		Mn
     
    5
    		Si
     
    10
    		O
     
    24
    		(OH)
     
    6
    		·6H
     
    2
    		O
    14.18.5Shafranovskite
    (Na,K)
     
    6
    		(Mn,Fe)
     
    3
    		Si
     
    9
    		O
     
    24
    		·6H
     
    2
    		O
    14.18.6Abswurmbachite
    CuMn
    3+
    6
    		O
     
    8
    		(SiO
     
    4
    		)
    14.18.7Donpeacorite
    (Mn
    2+
     
    		,Mg)Mg[SiO
     
    3
    		]
     
    2
    14.18.8Kanoite
    Mn
    2+
     
    		(Mg,Mn
    2+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    14.18.9Caryopilite
    (Mn,Mg)
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    14.18.10Gonyerite
    (Mn,Mg)
     
    5
    		Fe(Si
     
    3
    		Fe)O
     
    10
    		(OH)
     
    8
    14.18.11 Tirodite
    14.18.12Manganhumite
    (Mn
    2+
     
    		,Mg)
     
    7
    		[(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		]
    14.18.13Bustamite
    (Mn
    2+
     
    		,Ca)[SiO
     
    3
    		]
    14.18.14Glaucochroite
    CaMn
    2+
     
    		[SiO
     
    4
    		]
    14.18.15Truscottite
    (Ca,Mn)
     
    14
    		Si
     
    24
    		O
     
    58
    		(OH)
     
    8
    		·2H
     
    2
    		O
    14.18.16Santaclaraite
    CaMn
     
    4
    		[Si
     
    5
    		O
     
    14
    		OH](OH)·H
     
    2
    		O
    14.18.17Ferrobustamite
    Ca(Fe
    2+
     
    		,Ca,Mn
    2+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    14.18.18Johannsenite
    CaMn
    2+
     
    		[Si
     
    2
    		O
     
    6
    		]
    14.18.19Neltnerite
    CaMn
    3+
    6
    		[O
     
    8
    		|SiO
     
    4
    		]
    14.18.20Orlymanite
    Ca
     
    4
    		Mn
     
    3
    		Si
     
    8
    		O
     
    20
    		(OH)
     
    6
    		·2H
     
    2
    		O
    14.18.21Inesite
    Ca
     
    2
    		(Mn,Fe)
     
    7
    		Si
     
    10
    		O
     
    28
    		(OH)
     
    2
    		·5H
     
    2
    		O
    14.18.22Orientite
    Ca
     
    2
    		MnMn
     
    2
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    4
    14.18.23Ruizite
    Ca
     
    2
    		Mn
    3+
    2
    		[(OH)
     
    2
    		|H
     
    2
    		Si
     
    4
    		O
     
    13
    		] · 2H
     
    2
    		O
    14.18.24Bostwickite
    CaMn
     
    6
    		Si
     
    3
    		O
     
    16
    		·7H
     
    2
    		O
    14.18.25Kittatinnyite
    Ca
     
    2
    		Mn
     
    2
    		Mn(SiO
     
    4
    		)
     
    2
    		(OH)
     
    4
    		·9H
     
    2
    		O
    14.18.26Lithiomarsturite
    LiCa
     
    2
    		Mn
     
    2
    		Si
     
    5
    		O
     
    14
    		(OH)
    14.18.27Sérandite
    Na(Mn
    2+
     
    		,Ca)
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    14.18.28Kvanefjeldite
    Na
     
    4
    		(Ca,Mn)(Si
     
    3
    		O
     
    7
    		)
     
    2
    		(OH)
     
    2
    14.18.29Marsturite
    NaCaMn
     
    3
    		Si
     
    5
    		O
     
    14
    		(OH)
    14.18.30Raite
    (Na,Ca)
     
    4
    		(Mn,Ti,Fe)
     
    3
    		Si
     
    8
    		O
     
    16
    		(OH)
     
    12
    		·5H
     
    2
    		O
    14.18.31Richterite
    Na[CaNa][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    14.18.32Byelorussite-(Ce)
    Ba
     
    2
    		NaCe
     
    2
    		MnTi
     
    2
    		Si
     
    8
    		O
     
    26
    		(F,OH) · H
     
    2
    		O
    14.18.33Deerite
    (Fe,Mn)
     
    6
    		(Fe,Al)
     
    3
    		Si
     
    6
    		O
     
    20
    		(OH)
     
    5
    14.18.34Calderite
    (Mn
    2+
     
    		,Ca)
     
    3
    		(Fe
    3+
     
    		,Al)
     
    2
    		[SiO
     
    4
    		]
     
    3
    14.18.35Pyroxmangite
    MnSiO
     
    3
    14.18.36Dannemorite
    14.18.37Neotocite
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
    14.18.38Babingtonite
    Ca
     
    2
    		(Fe,Mn)FeSi
     
    5
    		O
     
    14
    		(OH)
    14.18.39Manganbabingtonite
    Ca
     
    2
    		(Mn,Fe)FeSi
     
    5
    		O
     
    14
    		(OH)
    14.18.40Örebroite
    Mn
    2+
    3
    		(Fe
    3+
     
    		,Sb
    5+
     
    		)[(O,OH)
     
    3
    		|SiO
     
    4
    		]

    Other Names for Norrishite

    German names:
    Norrishit
    Russian names:
    Норришит
    Spanish names:
    Norrishita

    Other Information

    Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

    References for Norrishite

    Reference List:American Mineralogist (1989): 74: 1360-1367.

    American Mineralogist (1991): 76: 266-271.

    Canadian Mineralogist (1998): 36: 905-912.

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    Localities for Norrishite

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Forbes Co.
        • Grenfell
    		[MinRec 27:394], AM 1989, 1360-7
    South Africa
     
    • Northern Cape Province
      • Kalahari manganese fields
        • Hotazel
    		Gnos E., Armbruster T., Villa I. M., 2003. Norrishite, K(Mn3+2Li)Si4O10(O)2, an oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 39Ar-40Ar dating. Am. Miner., 88: 189-194
    Mineral and/or Locality
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