Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Reidite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
ZrSiO
 
4
System:TetragonalColour:Colourless
Hardness:7½
Name:after Alan F. Reid, who first produced the phase in high-pressure laboratory experiments in 1969
Dimorph of:Zircon


Zircon Group. A high-pressure polymorph of Zircon with the scheelite structure.

Classification of Reidite

IMA status:Approved 2001
Strunz 8th edition ID:8/A.09-15
Nickel-Strunz 10th (pending) edition ID:9.AD.45

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
mindat.org URL:http://www.mindat.org/min-11467.html
Please feel free to link to this page.

Type Occurrence of Reidite

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, Barbados
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

Physical Properties of Reidite

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

Crystallography of Reidite

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

Epitaxial Relationships of Reidite

Epitaxial Minerals:
Zircon
ZrSiO
 
4

Optical Data of Reidite

Type:Uniaxial
Pleochroism:Non-pleochroic

Chemical Properties of Reidite

Formula:
ZrSiO
 
4
All elements listed in formula:O, Si, Zr

Relationship of Reidite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AD.05Larnite
Ca
 
2
SiO
 
4
9.AD.10Calcio-Olivine
Ca
 
2
SiO
 
4
9.AD.15Merwinite
Ca
 
3
Mg(SiO
 
4
)
 
2
9.AD.20Bredigite
Ca
 
7
Mg(SiO
 
4
)
 
4
9.AD.25Andradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3
9.AD.25Almandine
Fe
2+
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
9.AD.25Goldmanite
Ca
 
3
V
3+
2
(SiO
 
4
)
 
3
9.AD.25Grossular
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.25Hibschite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Hydroandradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Katoite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
((Si,Al,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Knorringite
Mg
 
3
Cr
 
2
(SiO
 
4
)
 
3
9.AD.25Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
(SiO
 
4
)
 
3
9.AD.25Morimotoite
Ca
 
3
(Ti,Fe
2+
 
,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Pyrope
Mg
 
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Spessartine
Mn
2+
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Uvarovite
Ca
 
3
Cr
 
2
(SiO
 
4
)
 
3
9.AD.25Wadalite
(Ca,Mg)
 
6
(Al,Fe
3+
 
)
 
4
((Si,Al)O
 
4
)
 
3
O
 
4
Cl
 
3
9.AD.25Holtstamite
Ca
 
3
(Al,Mn
3+
 
)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.25Kerimasite
Ca
 
3
Zr
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
9.AD.25Toturite
Ca
 
3
Sn
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
9.AD.25Momoiite
(Mn
2+
 
,Ca)
 
3
V
3+
2
(SiO
 
4
)
 
3
9.AD.30Coffinite
(U
4+
 
,Th)(SiO
 
4
)
 
1-x
(OH)
 
4x
9.AD.30Hafnon
HfSiO
 
4
9.AD.30Thorite
(Th,U)SiO
 
4
9.AD.30Thorogummite
(Th,U)(SiO
 
4
)
 
1-x
(OH)
 
4x
9.AD.30Zircon
ZrSiO
 
4
9.AD.30Stetindite
Ce
4+
 
SiO
 
4
9.AD.35Huttonite
ThSiO
 
4
9.AD.35Tombarthite-(Y)
Y
 
4
(Si,H
 
4
)
 
4
O
 
12-x
(OH)
 
4+2x
9.AD.40Eulytine
Bi
 
4
(SiO
 
4
)
 
3

Other Names for Reidite

Synonyms:
IMA2001-013
Other Languages:
German:Reidit
Russian:Рейдит
Spanish:Reidita

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 Reidite

Reference List:

- +
Glass, B.P., S. Liu & 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 Reidite

Search Engines:
  • Look for Reidite on Google
  • Look for Reidite images on Google
    • External Links:
  • Look for Reidite on Webmineral
  • Look for Reidite on Athena Mineralogy
  • Look for Reidite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
  • Buy RARE Minerals from Rocks of Africa
  • Fine and rare minerals from mintreasure.com
  • Fabre Minerals - search for Reidite specimens
  • Search for - Reidite - on e-Rocks Mineral Sales & Auctions
  • Find Reidite on www.crystalclassics.co.uk
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fine Minerals from Weinrich Minerals, Inc.
  • The Arkenstone - Fine Minerals
  • webminerals
  • Search for Reidite on Well-Arranged Molecules
  • Buy from David K Joyce minerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Reidite

    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.
    Hide Locality List
    (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.
    Atlantic Ocean
     
    • 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
     
    B.P. Glass, S. Liu & P.B. Leavens (2002) Amer. Mineral. 87, 562-565
    Laos
     
    • Savannakhét Province
      • Muong Nong
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 18th Mar 2013 02:11:22
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds