Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Denisovite

This page is currently not sponsored. Click here to sponsor this page.
This page provides mineralogical data about Denisovite.


Hide all sections | Show all sections

Classification of DenisoviteHide

Approved
9.HA.85

9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements
65.2.1.7

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
2 : Single-Width Unbranched Chains, W=1 with chains P=3
14.6.4

14 : Silicates not Containing Aluminum
6 : Silicates of Ca with alkali or Mg or both

Physical Properties of DenisoviteHide

Hardness:
4 - 5 on Mohs scale

Optical Data of DenisoviteHide

Type:
Biaxial (+)
RI values:
nα = 1.567 nβ = 1.568 nγ = 1.576
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v strong

Chemical Properties of DenisoviteHide

Formula:
Ca2(K,Na)Si3O8(F,OH)2
IMA Formula:
KCa2Si3O8F
Common Impurities:
Ti,Al,Fe,Nb,Mn,Mg,Sr,Ba,Li,Rb,P

Crystallography of DenisoviteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 30.92 Å, b = 7.2 Å, c = 18.27 Å
β = 95°
Ratio:
a:b:c = 4.294 : 1 : 2.538
Unit Cell V:
4,051.86 ų (Calculated from Unit Cell)

Type Occurrence of DenisoviteHide

Synonyms of DenisoviteHide

Other Language Names for DenisoviteHide

German:Denisovit
Spanish:Denisovita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Aegirine5 photos of Denisovite associated with Aegirine on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.HA.05ErtixiiteNa2Si4O9
9.HA.10KenyaiteNa2Si22O41(OH)8 · 6H2OMon.
9.HA.20WawayandaiteCa6Mn2BBe9Si6O23(OH,Cl)15Mon.
9.HA.25MagbasiteKBaFe3+Mg7Si8O22(OH)2F6Orth. mmm (2/m 2/m 2/m) : Cmma
9.HA.30AfanasyevaiteCa8[Si2O7]OCl2
9.HA.40IgumnoviteCa3Al2(SiO4)2Cl4Iso.
9.HA.50RudenkoiteSr3(Al3.5Si3.5)O10(OH,O)8Cl2 · H2OMon.
9.HA.55FoshallasiteCa3[Si2O7] · 3H2O(?)
9.HA.60NagelschmidtiteCa7(SiO4)2(PO4)2Hex. 6 : P61
9.HA.65Caryochroite(Na,Sr)3(Fe3+,Mg)10[(O,OH)9|Ti2Si12O37] · (H2O,O,OH)17Mon.
9.HA.70JuaniteCa10Mg4Al2Si11O39 · 4H2O or near
9.HA.75TacharaniteCa12Al2Si18O33 (OH)36Mon.
9.HA.80OyeliteCa10Si8B2O29 · 12.5H2OOrth.
9.HA.90Tiettaite(Na,K)17FeTiSi16O29(OH)30 · 2H2OOrth. mmm (2/m 2/m 2/m) : Cmcm

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

65.2.1.1bWollastonite-2MCaSiO3Mon.
65.2.1.1cWollastoniteCaSiO3Tric. 1 : P1
65.2.1.1aWollastonite-1ACaSiO3Tric.
65.2.1.2BustamiteCaMn2+(Si2O6)Tric. 1 : P1
65.2.1.3FerrobustamiteCaFe2+(Si2O6)Tric.
65.2.1.4aPectoliteNaCa2Si3O8(OH)Tric. 1 : P1
65.2.1.5SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
65.2.1.6CascanditeCa(Sc,Fe3+)(HSi3O9)Tric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.6.1CombeiteNa2Ca2(Si6O18)0.5Trig. 3m (3 2/m) : R3m
14.6.2PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
14.6.3Pectolite-M2abcNaCa2[HSi3O9]
14.6.5TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
14.6.6MountainiteKNa2Ca2[Si8O19(OH)] · 6H2OMon. 2/m : P2/b
14.6.7RhodesiteKHCa2Si8O19 · 5H2OOrth. mmm (2/m 2/m 2/m)
14.6.8MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
14.6.9ÅkermaniteCa2Mg(Si2O7)Tet. 4 2m : P4 21m
14.6.10MonticelliteCaMgSiO4Orth.
14.6.11MerwiniteCa3Mg(SiO4)2Mon. 2/m : P21/b
14.6.12DiopsideCaMgSi2O6Mon. 2/m : B2/b
14.6.13Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m

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 DenisoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 70: 1329.

Internet Links for DenisoviteHide

Localities for DenisoviteHide

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
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Aldan Shield
        • Chara and Tokko Rivers Confluence
[Lapis 1993:4 p.13-20]
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
ZVMO,(1984) 113, 718-723
ZVMO (1984) 113, 718-723; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: September 26, 2017 08:34:05 Page generated: September 6, 2017 19:10:38
Go to top of page