Gysinite-(La) (original) (raw)
A valid IMA mineral species
Formula:
PbLa(CO3)2(OH) · H2O
Colour:
Colourless, pale yellow
Specific Gravity:
5.007 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for the La-dominance and being the La analogue of gysinite-(Nd).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:56019:1
8d03c750-ce2a-407e-af14-35d71744ce31
IMA Classification of Gysinite-(La)Hide
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Classification of Gysinite-(La)Hide
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5.DC.
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
C : With large cations
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Gys-La | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Gysinite-(La)Hide
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Colour:
Colourless, pale yellow
Fracture:
Irregular/Uneven
Density:
5.007 g/cm3 (Calculated)
Optical Data of Gysinite-(La)Hide
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RI values:
_n_α = 1.832(2) _n_β = 1.849(4) _n_γ = 1.862(5)
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
Refractive indices measured in white light.
Chemistry of Gysinite-(La)Hide
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Mindat Formula:
PbLa(CO3)2(OH) · H2O
Crystallography of Gysinite-(La)Hide
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Crystal System:
Orthorhombic
Class (H-M):
m m m _(_2/_m_2/_m_2/m ) - Dipyramidal
Cell Parameters:
a = 5.0655(2) Å, b = 8.5990(3) Å, c = 7.3901(4) Å
Ratio:
a:b:c = 0.589 : 1 : 0.859
Unit Cell V:
321.90 ų (Calculated from Unit Cell)
Comment:
Non-standard space-group setting Pmcn.
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.596 Å | (21) |
| 4.349 Å | (100) |
| 3.732 Å | (68) |
| 2.984 Å | (61) |
| 2.667 Å | (21) |
| 2.363 Å | (47) |
| 2.090 Å | (29) |
| 2.028 Å | (21) |
Comments:
Saima complex, Liaoning, China. Data from the type description.
Type Occurrence of Gysinite-(La)Hide
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General Appearance of Type Material:
Subhedral to anhedral, granular and platy crystals of 5 to 50 μm in size, in interstices or enclosed in microcline, aegirine and nepheline.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Geological Museum of China, No. 16 Yangrou Hutong, Xisi, Beijing 100031, People's Republic of China, catalogue no. M16133.
Geological Setting of Type Material:
In lujavrite from an alkaline complex. May be related to a post-magmatic carbonation event.
Associated Minerals at Type Locality:
Synonyms of Gysinite-(La)Hide
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Other Language Names for Gysinite-(La)Hide
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Relationship of Gysinite-(La) to other SpeciesHide
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Other Members of this group:
Related Minerals - Strunz-mindat GroupingHide
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| 5.DC. | Gysinite-(Ce) | PbCe(CO3)2(OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
|---|---|---|---|
| 5.DC. | Calcioancylite-(La) | (LaCa)(CO3)2(OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.05 | Kozoite-(La) | (La,Nd)(CO3)(OH) | Orth. m _m_2 |
| 5.DC.05 | Calcioancylite-(Ce) | (Ce,Ca,Sr)CO3(OH,H2O) | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.05 | Calcioancylite-(Nd) | Ca(Nd,La,Ce)(CO3)2(OH).H2O | Mon. m : P m |
| 5.DC.05 | Unnamed (Ce-analogue of Kozoite-(La) and -(Nd)) | (Ce,La)(CO3)(OH) | Orth. |
| 5.DC.05 | Ancylite-(La) | LaSr(CO3)2(OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.05 | Unnamed (La-analogue of Calcioancylite-(Ce)) | (La,Ce,Nd,Ca,Sr)CO3(OH,H2O) | Orth. |
| 5.DC.05 | Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.05 | Kozoite-(Nd) | (Nd,La,Sm,Pr)(CO3)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.05 | Gysinite-(Nd) | PbNd(CO3)2(OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.10 | Kamphaugite-(Y) | Ca(Y,REE)(CO3)2(OH) · H2O | Tet. 422 : _P_41212 |
| 5.DC.15 | Sheldrickite | NaCa3(CO3)2F3 · H2O | Trig. 3 : _P_32 |
| 5.DC.20 | Thomasclarkite-(Y) | (Na,Ce)(Y,REE)(HCO3)(OH)3 · 4H2O | Mon. 2 : _P_2 |
| 5.DC.25 | Peterbaylissite | [Hg2]2+3[CO3]2(OH)2 · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.DC.30 | Clearcreekite | [Hg2]2+3[CO3]2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 5.DC.35 | Niveolanite | NaBe(CO3)(OH) · 2H2O | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_4/m c c |
Other InformationHide
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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 Gysinite-(La)Hide
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References for Gysinite-(La)Hide
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Reference List:
Wu, Bin, Gu, Xiang-ping, Rao, Can, Wang, Ru-cheng, Xing, Xing-qing, Wan, Jian-jun, Zhong, Fu-jun, Bonnetti, Christophe (2023) Gysinite-(La), PbLa(CO3)2(OH)⋅H2O, a new rare earth mineral of the ancylite group from the Saima alkaline complex, Liaoning Province, China. Mineralogical Magazine, 87 (1). 143-150 doi:10.1180/mgm.2022.126
Localities for Gysinite-(La)Hide
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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
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- 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.
| China | |
|---|---|
| Liaoning Dandong Kuandian County ⓘ Saima U-REE deposit | Wu et al. (2023) |
| ⓘ Saima complex (TL) | Miyawaki et al. (2022) +1 other reference |