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Adamsite-(Y)

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Frank Dawson Adams
Formula:
NaY[CO3]2 · 6H2O
Colour:
Colourless, white, pale pink, pale purple.
Lustre:
Pearly
Hardness:
3
Crystal System:
Triclinic
Name:
Named in honor of Professor Frank Dawson Adams (1859–1942), McGill University, Montreal, Canada, geologist and petrologist, who studied the Monteregian Hills, one of which is Mont Saint-Hilaire.
Chemically similar to shomiokite-(Y), lecoqite-(Y), and horváthite-(Y); also to thomasclarkite-(Y) (bicarbonate).

The structure is layered; one carbonate group is perpendicular, and the other parallel to the layering. In the crystal structure there are NaYCO3 groups separated by layers of H2O. The neighbouring water layers have only H-bond linkage, which results in perfect cleavage (Grice et al., 2000).


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Classification of Adamsite-(Y)Hide

Approved
Approval Year:
1999
First Published:
2000
5.CC.30

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)

Pronounciation of Adamsite-(Y)Hide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of Adamsite-(Y)Hide

Pearly
Transparency:
Transparent, Translucent
Colour:
Colourless, white, pale pink, pale purple.
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {001}; good on {100}, {010}.

Optical Data of Adamsite-(Y)Hide

Type:
Biaxial (+)
RI values:
nα = 1.480 nβ = 1.498 nγ = 1.571
Max Birefringence:
δ = 0.091
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemical Properties of Adamsite-(Y)Hide

Formula:
NaY[CO3]2 · 6H2O
IMA Formula:
NaY(CO3)2 · 6H2O
Common Impurities:
Gd,Nd,Yb,Sm,Ho

Crystallography of Adamsite-(Y)Hide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 6.2592 Å, b = 13.0838 Å, c = 13.227 Å
α = 91.130°, β = 103.554°, γ = 90.188°
Ratio:
a:b:c = 0.478 : 1 : 1.011
Unit Cell V:
1049.1 ų
Z:
4
Morphology:
Flat, acicular to fibrous crystals, up to 2.5 cm in length. Forming spherical groups of radiating crystals, more rarely reticulated groups. Elongated on [100] and flat on [001]. Forms observed are the pedions {010}, {010}, {001}, {001}, {100} and {100}.

Type Occurrence of Adamsite-(Y)Hide

General Appearance of Type Material:
Crystals are acicular to fibrous, to 2.5 cm, elongated along [100], flattened on [001], showing {010} and {001}; in spherical radiating groups, which rarely are reticulated.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Canada, numbers 82939 and 82940.
Geological Setting of Type Material:
A rare late-stage, low-temperature hydrothermal mineral in an alkalic pegmatite dike associated with an intrusive alkalic gabbro-syenite complex.
Associated Minerals at Type Locality:

Synonyms of Adamsite-(Y)Hide

Other Language Names for Adamsite-(Y)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Thomasclarkite-(Y)8 photos of Adamsite-(Y) associated with Thomasclarkite-(Y) on mindat.org.
Shomiokite-(Y)8 photos of Adamsite-(Y) associated with Shomiokite-(Y) on mindat.org.
Aegirine5 photos of Adamsite-(Y) associated with Aegirine on mindat.org.
Quartz5 photos of Adamsite-(Y) associated with Quartz on mindat.org.
Rhodochrosite4 photos of Adamsite-(Y) associated with Rhodochrosite on mindat.org.
Microcline3 photos of Adamsite-(Y) associated with Microcline on mindat.org.
Gaidonnayite3 photos of Adamsite-(Y) associated with Gaidonnayite on mindat.org.
Rémondite-(Ce)2 photos of Adamsite-(Y) associated with Rémondite-(Ce) on mindat.org.
Niveolanite2 photos of Adamsite-(Y) associated with Niveolanite on mindat.org.
Franconite2 photos of Adamsite-(Y) associated with Franconite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.CC.05Donnayite-(Y)NaCaSr3Y(CO3)6 · 3H2OTric. 1 : P1
5.CC.05EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2OHex. 6mm
5.CC.05Mckelveyite-(Nd)(Ba,Sr)(Nd,Ce,La)(CO3)2 · 4-10H2OTric.
5.CC.05Mckelveyite-(Y)NaCaBa3Y(CO3)6 · 3H2OTric. 1 : P1
5.CC.05WeloganiteNa2Sr3Zr(CO3)6 · 3H2OTric. 1 : P1
5.CC.10Tengerite-(Y)Y2(CO3)3 · 2-3H2OOrth. mmm (2/m 2/m 2/m) : Pnnm
5.CC.15Kimuraite-(Y)Ca(Y,Nd)2(CO3)4 · 6H2OOrth.
5.CC.15Lokkaite-(Y)Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2OOrth.
5.CC.20Shomiokite-(Y)Na3Y[CO3]3 · 3H2OOrth.
5.CC.25Calkinsite-(Ce)(Ce,La)2(CO3)3 · 4H2OOrth.
5.CC.25Lanthanite-(Ce)(Ce,La,Nd)2(CO3)3 · 8H2OOrth. mmm (2/m 2/m 2/m)
5.CC.25Lanthanite-(La)(La,Ce)2(CO3)3 · 8H2OOrth.
5.CC.25Lanthanite-(Nd)(Nd,La)2(CO3)3 · 8H2OOrth.
5.CC.35Decrespignyite-(Y)Cu(Y,REE)4(CO3)4(OH)5Cl · 2H2OMon.
5.CC.40Galgenbergite-(Ce)Ca(Ce,La,Nd)2(CO3)4 · H2OTric.

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 Adamsite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grice, J. D., Gault, R. A., Roberts, A. C., Cooper, M. A. (2000) Adamsite-(Y), a new sodium-yttrium carbonate mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist 38, 1457-1466.

Internet Links for Adamsite-(Y)Hide

Localities for Adamsite-(Y)Hide

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.
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Grice, J. D., Gault, R. A., Roberts, A. C., Cooper, M. A. (2000) Adamsite-(Y), a new sodium-yttrium carbonate mineral species from Mont Saint-Hilaire, Quebec. Canadian Mineralogist, 38, 1457-1466.
Norway
 
  • Nordland
    • Tysfjord
Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
        • Alluaiv Mt
          • Umbozero mine (Umbozerskii mine; Umba Mine)
P.M. Kartashov data
Mineral and/or Locality  
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