Donate now to keep mindat.org alive!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
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch 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 MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Reidite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
ZrSiO4
Colour:
Colourless
Lustre:
Adamantine
Hardness:
Specific Gravity:
5.2 (Calculated)
Crystal System:
Tetragonal
Name:
Named in 2002 by Billy P. Glass, Shaobin Liu, and Peter B. Leavens in honor of Alan F. Reid, who first produced the phase in high-pressure laboratory experiments in 1969.
Dimorph of:
Zircon Group. A high-pressure polymorph of Zircon with the scheelite structure.


Hide all sections | Show all sections

Classification of ReiditeHide

Approved
Approval Year:
2001
9.AD.45

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination

Physical Properties of ReiditeHide

Adamantine
Colour:
Colourless
Streak:
white
Hardness:
7½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
5.2 g/cm3 (Calculated)

Optical Data of ReiditeHide

Type:
Uniaxial
Pleochroism:
Non-pleochroic

Chemical Properties of ReiditeHide

Formula:
ZrSiO4

Crystallography of ReiditeHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
I41/a
Cell Parameters:
a = 4.738 Å, c = 10.506 Å
Ratio:
a:c = 1 : 2.217
Unit Cell V:
235.84 ų
Z:
4
Morphology:
skeletal crystals up to 10 µm in length and 0.3 µm in width; also lamellar intergrowths in host zircon crystals.

Epitaxial Relationships of ReiditeHide

Epitaxial Minerals:
ZirconZr(SiO4)

Type Occurrence of ReiditeHide

General Appearance of Type Material:
skeletal crystals replacing zircon
Geological Setting of Type Material:
in upper Eocene impact ejecta layer, probably from the Chesapeake Bay impact structure

Synonyms of ReiditeHide

Other Language Names for ReiditeHide

German:Reidit
Russian:Рейдит
Spanish:Reidita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz1 photo of Reidite associated with Quartz on mindat.org.
Zircon1 photo of Reidite associated with Zircon on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AD.05LarniteCa2SiO4Mon.
9.AD.10Calcio-olivineCa2SiO4Orth. mmm (2/m 2/m 2/m)
9.AD.15MerwiniteCa3Mg(SiO4)2Mon. 2/m : P21/b
9.AD.20BredigiteCa7Mg(SiO4)4Orth.
9.AD.25AndraditeCa3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25AlmandineFe2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
9.AD.25GoldmaniteCa3V3+2(SiO4)3Iso.
9.AD.25GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25HibschiteCa3Al2(SiO4)3-x(OH)4xIso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HydroandraditeCa3Fe3+2(SiO4)3-x(OH)4x
9.AD.25KatoiteCa3Al2(SiO4)3-x(OH)4xIso.
9.AD.25KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
9.AD.25KnorringiteMg3Cr2(SiO4)3Iso.
9.AD.25MajoriteMg3(Fe2+,Si,Al)2(SiO4)3Iso.
9.AD.25MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25PyropeMg3Al2(SiO4)3Iso.
9.AD.25SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25UvaroviteCa3Cr2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3Iso. 4 3m : I4 3d
9.AD.25HoltstamiteCa3(Al,Mn3+)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KerimasiteCa3Zr2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25ToturiteCa3Sn2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Momoiite(Mn2+,Ca)3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25EltyubyuiteCa12Fe3+10Si4O32Cl6Iso. 4 3m : I4 3d
9.AD.25HutcheoniteCa3Ti2(SiAl2)O12Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.30Coffinite(U4+,Th)(SiO4)1-x(OH)4xTet.
9.AD.30HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30ThoriteTh(SiO4)Tet.
9.AD.30ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30Stetindite-(Ce)Ce(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.35HuttoniteThSiO4Mon.
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
9.AD.40EulytineBi4(SiO4)3Iso. 4 3m : I4 3d

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 ReiditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Reid, Alan F. and Ringwood, A. E. (1969) Newly Observed high pressure transformations in Mn3O4 , CaAl2O4 , and ZrSiO4. Earth and Planetary Science Letters, v. 6, p. 205-208.
Glass, Billy P., Shaobin Liu, and P. B. Leavens (2002) Reidite: An impact-produced high-pressure polymorph of zircon found in marine sediments.- American Mineralogist: 87: 562-565.

Internet Links for ReiditeHide

Localities for ReiditeHide

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.
Atlantic Ocean (TL)
 
  • Upper continental slope of New Jersey
B.P. Glass, S. Liu & P.B. Leavens (2002) Amer. Mineral. 87, 562-565
B.P. Glass, S. Liu & P.B. Leavens (2002) Amer. Mineral. 87, 562-565
B.P. Glass, S. Liu & P.B. Leavens (2002) Amer. Mineral. 87, 562-565
Barbados (TL)
 
  • Saint John Parish
B.P. Glass, S. Liu & P.B. Leavens (2002) Amer. Mineral. 87, 562-565
China
 
  • Liaoning Province (Manchuria; Dongbei Region)
    • Anshan Prefecture
      • Xiuyan Co.
        • Pianling
Chen, M., Yin, F., Li, X., Xie, X., Xiao, W., & Tan, D. (2013). Natural occurrence of reidite in the Xiuyan crater of China. Meteoritics & Planetary Science.
Germany
 
  • Bavaria
    • Swabia
Gucsik, A. (2006). Identification of Reidite from the Ries Impact Crater Using Micro-Raman Spectroscopy: A Review. Meteoritics and Planetary Science Supplement, 41, 5103.
USA
 
  • Wisconsin
    • Pierce Co.
      • Rock Elm
French, Bevan, Cordua, W.S. & Plescia, Jeff (2004) The Rock Elm Meteorite Impact Structure, Wisconsin: Geology and Shock Metamorphic Effects in Quartz: Geological Society of America Bulletin, vol. 116(1): 200-218. Cavosie, A.J, Erickson, T.M., & Timms, N.E. (2014) Reidite and shock-twinned zircon in polymict breccia from the Ordovician Rock Elm impact structure, USA: Geological Society of America: Annual Meeting: Abstracts with Programs, vol. 46, no. 6.
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: December 14, 2017 20:57:27 Page generated: December 1, 2017 10:15:10
Go to top of page