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Hydroxylchondrodite

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Hydroxyl analogue of chondrodite.


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Classification of HydroxylchondroditeHide

Approved
Approval Year:
2010
9.AF.45

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination
52.3.3.6

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
3 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only

Chemical Properties of HydroxylchondroditeHide

Formula:
Mg5(SiO4)2(OH)2

Crystallography of HydroxylchondroditeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 7.8847(12) Å, b = 4.7235(8) Å, c = 10.2869(5) Å
β = 109.19(1)°
Ratio:
a:b:c = 1.669 : 1 : 2.178
Unit Cell V:
361.83 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.023 (36)
2.763 (37)
2.673 (37)
2.621 (44)
2.518 (59)
2.260 (74)
1.740 (100)
1.489 (46)

Type Occurrence of HydroxylchondroditeHide

Place of Conservation of Type Material:
Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow,Russia, no.3986/1

Synonyms of HydroxylchondroditeHide

Other Language Names for HydroxylchondroditeHide

Simplified Chinese:水粒硅镁石

Relationship of Hydroxylchondrodite to other SpeciesHide

Other Members of this group:
Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2Mon. 2/m : P21/b
ClinohumiteMg9(SiO4)4F2Mon.
Humite(Mg,Fe2+)7(SiO4)3(F,OH)2Orth. mmm (2/m 2/m 2/m)
HydroxylclinohumiteMg9(SiO4)4(OH)2Mon. 2/m
NorbergiteMg3(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)

Related Minerals - Nickel-Strunz GroupingHide

9.AF.05SillimaniteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m)
9.AF.10AndalusiteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.10KanonaiteMn3+Al(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.15KyaniteAl2(SiO4)OTric. 1 : P1
9.AF.20MulliteAl4+2xSi2-2xO10-xOrth. mmm (2/m 2/m 2/m) : Pbam
9.AF.20Krieselite(Al,Ga)2(GeO4)(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
9.AF.23BoromulliteAl9BSi2O19Orth. mm2 : Cmc21
9.AF.25YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)Mon. 2/m : P21/m
9.AF.30MagnesiostauroliteMg(Mg,Li)3(Al,Mg)18Si8O44(OH)4Mon. 2/m : B2/m
9.AF.30StauroliteFe2+2Al9Si4O23(OH)Mon. 2/m : B2/m
9.AF.30ZincostauroliteZn2Al9Si4O23(OH)Mon. 2/m : B2/m
9.AF.35TopazAl2(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.40NorbergiteMg3(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.45AlleghanyiteMn2+5(SiO4)2(OH)2Mon. 2/m : P21/b
9.AF.45Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2Mon. 2/m : P21/b
9.AF.45ReinhardbraunsiteCa5(SiO4)2(OH,F)2Mon. 2/m : P21/b
9.AF.45KumtyubeiteCa5(SiO4)2F2Mon. 2/m : P21/b
9.AF.50Humite(Mg,Fe2+)7(SiO4)3(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.50Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2Orth.
9.AF.50Unnamed (Ca-analogue of Humite)Ca7(SiO4)4F2Orth. mmm (2/m 2/m 2/m)
9.AF.55ClinohumiteMg9(SiO4)4F2Mon.
9.AF.55SonoliteMn2+9(SiO4)4(OH)2Mon.
9.AF.55HydroxylclinohumiteMg9(SiO4)4(OH)2Mon. 2/m
9.AF.60LeucophoeniciteMn2+7(SiO4)3(OH)2Mon. 2/m : P21/b
9.AF.65Ribbeite(Mn2+,Mg)5(SiO4)2(OH)2Orth.
9.AF.70JerrygibbsiteMn2+9(SiO4)4(OH)2Orth. mmm (2/m 2/m 2/m) : Pbcn
9.AF.75FranciscaniteMn2+6(V5+,☐)2(SiO4)2(O,OH)6Hex.
9.AF.75ÖrebroiteMn2+3(Sb5+,Fe3+)(SiO4)(O,OH)3Hex.
9.AF.75WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3
9.AF.80EllenbergeriteMg6(Mg,Ti,Zr,◻)2(Al,Mg)6Si8O28(OH)10Hex.
9.AF.85Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.85MagnesiochloritoidMgAl2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.85Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2Mon.
9.AF.90PoldervaartiteCaCa[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca
9.AF.90OlmiiteCaMn2+[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca

Related Minerals - Dana Grouping (8th Ed.)Hide

52.3.3.1Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2Mon. 2/m : B2/b
52.3.3.2MagnesiochloritoidMgAl2(SiO4)O(OH)2Mon. 2/m : B2/b
52.3.3.3Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2Mon.
52.3.3.4CarboiriteFeAl2(GeO4)O(OH)2Tric.
52.3.3.4KumtyubeiteCa5(SiO4)2F2Mon. 2/m : P21/b

Other InformationHide

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

References for HydroxylchondroditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V. et al. (2010). Hydroxylchondrodite, IMA 2010-019. CNMNC Newsletter, August 2010, p.798, Mineralogical Magazine 74, 797-800.

Internet Links for HydroxylchondroditeHide

Localities for HydroxylchondroditeHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Zlatoust
CNMNC Newsletter, Mineralogical Magazine, 74, 798
Mineral and/or Locality  
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