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Reidite

A valid IMA mineral species
This page kindly sponsored in memory of Dr Alan Reid AM
08304990015426670473298.jpg
Alan F. Reid
Formula:
ZrSiO4
Colour:
Colourless
Lustre:
Adamantine
Hardness:
7½
Specific Gravity:
5.2 (Calculated)
Crystal System:
Tetragonal
Member of:
Zircon Group
Name:
Named in 2002 by Billy P. Glass, Shaobin Liu, and Peter B. Leavens in honor of Alan Forrest Reid (26 March 1931, Gisborne, New Zealand - 17 January 2013, Adelaide, Australia), Commonwealth Scientific and Industrial Research Organisation (CSIRO), who first produced the phase in high-pressure laboratory experiments in 1969. At CSIRO he was, at different times, Director of Minerals, Energy and Construction; Director of CSIRO's Institute of Energy and Earth Resources; and Chief of the Division of Mineral Engineering. He also analyzed Apollo lunar samples and codescribed the mineral tranquillityite.
Dimorph of:
Zircon
A high-pressure polymorph of Zircon with the scheelite structure.

The presence of reidite in shocked zircon (in which it may occur as micron-sized lamellae) is evidence of shock pressures in excess of ∌30 GPa.


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Unique IdentifiersHide

Mindat ID:
11467
Long-form identifier:
mindat:1:1:11467:3
GUID
(UUID V4):
8d65515d-9b55-4ec1-b4b3-d64049a0c14f

IMA Classification of ReiditeHide

Classification of ReiditeHide

Strunz-mindat (2024):
9.AD.45

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
ReiIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ReiditeHide

Lustre:
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

Chemistry of ReiditeHide

Mindat Formula:
ZrSiO4
Elements listed:
O, Si, Zr - search for minerals with similar chemistry

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 ”m in length and 0.3 ”m in width; also lamellar intergrowths in host zircon crystals.

Epitaxial Relationships of ReiditeHide

Epitaxial Minerals:
ZirconZr(SiO4)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.81 Å(100)
1.755 Å(60)
2.065 Å(50)
1.441 Å(50)
1.55 Å(45)
4.30 Å(40)
3.29 Å(40)
Comments:
ODP Site 904, New Jersey continental shelf, USA. Data are from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
30 : Terrestrial impact minerals

Type Occurrence of ReiditeHide

Co-Type Localities:
ⓘ Deep Sea Drilling Project Site 612, Upper continental slope of New Jersey, Atlantic Ocean
ⓘ Ocean Drilling Program Hole 903C, Upper continental slope of New Jersey, Atlantic Ocean
ⓘ Ocean Drilling Program Hole 904A, Upper continental slope of New Jersey, Atlantic Ocean
ⓘ Bath Cliff, Saint John Parish, Barbados
General Appearance of Type Material:
skeletal crystals replacing zircon. The crystals are up to 10 ”m in length and 0.3 ”m in width.
Place of Conservation of Type Material:
Holotype material is deposited at the Smithsonian Institution (National Museum of Natural History), Washington, D.C., catalog number NMNH 173504.
Geological Setting of Type Material:
In upper Eocene impact ejecta layer, probably from the Chesapeake Bay impact structure.
Associated Minerals at Type Locality:
Zircon
Reference:
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.
Download:
http://rruff.info/rruff_1.0/uploads/AM87_562.pdf

Synonyms of ReiditeHide

Other Language Names for ReiditeHide

Relationship of Reidite to other SpeciesHide

Member of:
Zircon Group
Other Members of this group:
CoffiniteU(SiO4) · nH2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Stetindite-(Ce)Ce(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
ThoriteTh(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Reidite associated with QuartzSiO2
1 photo of Reidite associated with ZirconZr(SiO4)

Related Minerals - Strunz-mindat GroupingHide

9.AD.AdrianiteCa12(Al4Mg3Si7)O32Cl6Iso. 4 3m : I4 3d
9.AD.05LarniteCa2SiO4Mon. 2/m
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. mm2 : Pnn2
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.25CalderiteMn2+3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25GoldmaniteCa3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HenritermieriteCa3Mn3+2(SiO4)2[◻(OH)4]Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KimzeyiteCa3Zr2(SiO4)(AlO4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25KnorringiteMg3Cr2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25MajoriteMg3(MgSi)(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25MorimotoiteCa3(TiFe2+)(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25PyropeMg3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25SchorlomiteCa3Ti2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
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.25 vaHydrougrandite(Ca,Mg,Fe2+)3(Fe3+,Al)2[(OH)4(SiO4)2]Iso.
9.AD.25 vaYamatoite(Mn2+,Ca)3(V3+,Al)2(SiO4)3Iso.
9.AD.25HoltstamiteCa3Al2(SiO4)2[◻(OH)4]Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KhohariteMg3Fe3+2(SiO4)3
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.25MomoiiteMn2+3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25EringaiteCa3Sc2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25IrinarassiteCa3Sn2(SiO4)(AlO4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Menzerite-(Y)(Y2Ca)Mg2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25EltyubyuiteCa12Fe3+10Si4O32Cl6Iso. 4 3m : I4 3d
9.AD.25BlythiteMn2+3Mn3+2[SiO4]3
9.AD.25SkiagiteFe2+3Fe3+2[SiO4]3
9.AD.25HutcheoniteCa3Ti2(SiO4)(AlO4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25UM1984-37-SiO:CrMnMn2+3Cr3+2(SiO4)3
9.AD.25RubiniteCa3Ti3+2Si3O12Iso.
9.AD.25NikmelnikoviteCa12(Fe2+Fe3+3Al3◻)[SiO4]6[◻(OH)4]5◻4Trig. 3 : R3
9.AD.25MidbariteCa3Mg2(V2Si)O12Iso. m3m (4/m 3 2/m)
9.AD.30 vaAuerlitenear Th(Si,P)O4
9.AD.30CoffiniteU(SiO4) · nH2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30ThoriteTh(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
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. 2/m
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
9.AD.40EulytineBi4(SiO4)3Iso. 4 3m : I4 3d
9.AD.55JeffbeniteMg3Al2Si3O12Tet. 4 2m : I4 2d

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.

Internet Links for ReiditeHide

References for ReiditeHide

Reference List:
Gao, Yue, Zhi Zheng, Xia Zhao, Yuegao Liu, Jiangzhi Chen, Yan Li, Mengjun Xiong, Xiaotao Zu, and Shenghua Mei. 2022. "In Situ Raman Spectroscopy and DFT Studies of the Phase Transition from Zircon to Reidite at High P–T Conditions" Minerals 12, no. 12: 1618. https://doi.org/10.3390/min12121618
Reid, Alan F. and Ringwood, A. E. (1969) Newly Observed high pressure transformations in Mn3O4 , CaAl2O4 , and ZrSiO4. Earth and Planetary Science Letters: 6: 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.
Mandarino, Joseph A. (2003) New minerals. The Canadian Mineralogist, 41 (3) 803-828 doi:10.2113/gscanmin.41.3.803
Gucsik, A., Zhang, M., Koeberl, C., Salje, E.K.H., Redfern, S.A.T., Pruneda, J.M. (2004) Infrared and Raman spectra of ZrSiO4 experimentally shocked at high pressures. Mineralogical Magazine: 68: 801-811.
Glass, B.P., Fries, M. (2008) Micro-Raman spectroscopic study of fine-grained, shock-metamorphosed rock fragments from the Australasian microtektite layer. Meteoritics and Planetary Science: 43: 1487-1496.
S.M. Reddy, T.E. Johnson, S. Fischer, W.D.A. Rickard, R.J.M. Taylor (2015): Precambrian reidite discovered in shocked zircon from the Stac Fada impactite, Scotland. Geology 43, 899-902.
en.wikipedia.org (2015) https://en.wikipedia.org/wiki/Reidite
(2023) Reidite. Handbook of Mineralogy. Mineralogical Society of America

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 references and 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 (e.g. 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 (2002)
B.P. Glass (2002)
B.P. Glass (2002)
Australia
 
  • Western Australia
    • Meekatharra Shire
      • Yarrabubba Station
Erickson et al. (2020)
    • Shark Bay Shire
      • Woodleigh Station
Cox et al. (2018)
Barbados (TL)
 
  • Saint John Parish
B.P. Glass (2002)
Canada
 
  • Nunavut
    • Qikiqtaaluk Region
      • Devon Island
Jurak et al. (2020, March)
  • QuĂ©bec
    • Abitibi-TĂ©miscamingue
      • TĂ©miscamingue RCM
        • Les Lacs-du-TĂ©miscamingue
Edahbi et al. (2018) +1 other reference
China
 
  • Liaoning
    • Anshan
      • Xiuyan Co.
        • Pianling
Yin +3 other references
Egypt
 
  • New Valley Governorate
Aaron J. Cavosie +1 other reference
France
 
  • Nouvelle-Aquitaine
    • Haute-Vienne
Plan et al. (2021)
Germany
 
  • Baden-WĂŒrttemberg
    • Stuttgart Region
      • Ostalbkreis
        • Unterschneidheim
          • Zipplingen
Tschauner +3 other references
Gucsik (2006)
  • Saxony
    • Mittelsachsen
      • Waldheim
Thomas et al. (2022)
India
 
  • Madhya Pradesh
    • Shivpuri District
Raychaudhuri et al. (2021, March)
Mexico
 
  • YucatĂĄn
    • northwest coastline of the YucatĂĄn peninsula
      • Puerto Chicxulub
Zhao et al. (2021)
Oman
 
  • Al Wusta Governorate
    • Sayh al Uhaymir
Xing et al. (2020)
Sweden
 
  • Kronoberg County
Martell et al. (2021)
UK
 
  • England
    • Gloucestershire
      • South Gloucestershire
        • Wickwar
Plan et al. (2022, August)
  • Scotland
    • Highland
      • North West and Central Sutherland
        • Assynt
Reddy et al. (2015)
USA
 
  • Wisconsin
    • Pierce County
      • Rock Elm
French et al. (2004)
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