Catapleiite
A valid IMA mineral species - grandfathered
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About Catapleiite
Formula:
Na2Zr(Si3O9) · 2H2O
Colour:
Dark brown, reddish brown, flesh red, yellowish red, colourless, light grey, beige to tan, light yellow, orange, light blue
Lustre:
Vitreous, Dull
Hardness:
5½ - 6
Specific Gravity:
2.65 - 2.9
Crystal System:
Monoclinic
Member of:
Name:
First described in 1850 from LĂ„ven, Langesundsfjorden, Norway by the Norwegian mineralogist Paul Christian Weibye (1819-1865). It was found by him the year before, in 1849. The name is from the Greek ÎșαÏα = 'with' and ÏλΔÎčÎżÎœ = 'more' and refers to its association with many other rare minerals.
Type Locality:
Dimorph of:
The monoclinic dimorph of gaidonnayite. The sodium analogue of calcium-catapleiite.
Visit gemdat.org for gemological information about Catapleiite.
Unique Identifiers
Mindat ID:
919
Long-form identifier:
mindat:1:1:919:5
GUID
(UUID V4):
(UUID V4):
6af87b87-0f2c-477f-8767-a97701a0655b
IMA Classification of Catapleiite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1850
Classification of Catapleiite
9.CA.15
9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
59.2.2.1
59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
14.10.24
14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Ctp | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Catapleiite
Vitreous, Dull
Transparency:
Transparent, Translucent
Colour:
Dark brown, reddish brown, flesh red, yellowish red, colourless, light grey, beige to tan, light yellow, orange, light blue
Streak:
White to pale yellow
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {100}
Imperfect on {101} {102}
Perfect on {100}
Imperfect on {101} {102}
Fracture:
Irregular/Uneven
Density:
2.65 - 2.9 g/cm3 (Measured) 2.77 g/cm3 (Calculated)
Optical Data of Catapleiite
Type:
Biaxial (+)
RI values:
nα = 1.591 nβ = 1.592 nγ = 1.627
2V:
Measured: 40°
Max Birefringence:
δ = 0.036
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v moderate
Chemistry of Catapleiite
Mindat Formula:
Na2Zr(Si3O9) · 2H2O
Common Impurities:
Ca,Fe
Chemical Analysis
Oxide wt%:
1 | |
---|---|
SiO2 | 44.5 % |
ZrO2 | 32.7 % |
CaO | 0.4 % |
Na2O | 13.4 % |
H2O (calc.) | 9.0 % |
Total: | 100 % |
Sample references:
ID | Locality | Reference | Notes |
---|---|---|---|
1 | Bratthagen 1, LĂ„gendalen, Hedrum, Larvik, Vestfold og Telemark, Norway | Larsen, A.O. (2001) Chemical composition of catapleiites from the syenite pegmatites in the Larvik plutonic complex, Norway. Bergverksmuseets Skrift, 18, 5-9 | Pale brownish plates 2cm across embedded in feldspar. |
Crystallography of Catapleiite
Crystal System:
Monoclinic
Cell Parameters:
a = 12.799 Å, b = 7.419 Å, c = 20.157 Å
β = 90.41°
β = 90.41°
Ratio:
a:b:c = 1.725 : 1 : 2.717
Unit Cell V:
1,913.97 Ă
Âł (Calculated from Unit Cell)
Z:
8
Morphology:
Pseudohexagonal, rosettes.
Twinning:
Polysynthetic at 30, 60, 90 degrees.
Comment:
monoclinic, pseudohexagonal I2/c
Crystallographic forms of Catapleiite
Crystal Atlas:
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0012471 | Catapleiite | Ilyushin G D, Voronkov A A, Ilyukhin V V, Nevskii N N, Belov N V (1981) Crystal structure of natural monoclinic catapleiite, Na2ZrSi3O9*2H2O Doklady Akademii Nauk SSSR 260 623-627 | 1981 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.94 Ă | (100) |
3.05 Ă | (100) |
2.96 Ă | (100) |
2.69 Ă | (100) |
6.35 Ă | (90) |
1.969 Ă | (60) |
5.37 Ă | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Geological Setting:
Syenites and nepheline syenites
Type Occurrence of Catapleiite
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, number 334509.
Geological Setting of Type Material:
Nepheline syenite pegmatite.
Associated Minerals at Type Locality:
Synonyms of Catapleiite
Other Language Names for Catapleiite
Russian:ĐĐ°ŃаплДОŃ
Simplified Chinese:ćæé éçł
Spanish:Catapleiita
Catapleita
Catapleita
Traditional Chinese:ćźæééŻçł
Relationship of Catapleiite to other Species
Member of:
Other Members of this group:
Calciocatapleiite | CaZr(Si3O9) · 2H2O | Orth. mmm (2/m 2/m 2/m) |
Structurally related to group(s):
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
207 photos of Catapleiite associated with Aegirine | NaFe3+Si2O6 |
89 photos of Catapleiite associated with Microcline | K(AlSi3O8) |
71 photos of Catapleiite associated with Natrolite | Na2Al2Si3O10 · 2H2O |
49 photos of Catapleiite associated with Analcime | Na(AlSi2O6) · H2O |
43 photos of Catapleiite associated with Fluorite | CaF2 |
36 photos of Catapleiite associated with Albite | Na(AlSi3O8) |
26 photos of Catapleiite associated with Calcite | CaCO3 |
24 photos of Catapleiite associated with Serandite | NaMn2+2Si3O8(OH) |
24 photos of Catapleiite associated with Elpidite | Na2ZrSi6O15 · 3H2O |
22 photos of Catapleiite associated with Epididymite | Na2Be2Si6O15 · H2O |
Related Minerals - Strunz-mindat Grouping
9.CA. | UM1975-18-SiO:Mn | α-MnSiO3 |
9.CA.05 | Bazirite | BaZr(Si3O9) |
9.CA.05 | Benitoite | BaTi(Si3O9) |
9.CA.05 | Pabstite | Ba(Sn,Ti)(Si3O9) |
9.CA.10 | Wadeite | K2Zr(Si3O9) |
9.CA.15 | Calciocatapleiite | CaZr(Si3O9) · 2H2O |
9.CA.20 | Pseudowollastonite | CaSiO3 |
9.CA.25 | Margarosanite | Pb(Ca,Mn2+)2(Si3O9) |
9.CA.25 | Walstromite | BaCa2(Si3O9) |
9.CA.25 | Breyite | Ca3Si3O9 |
9.CA.30 | Bobtraillite | (Na,â»)12(â»,Na)12Sr11Zr14(Si3O9)10[Si2BO7(OH)2]6 · 12H2O |
9.CA.35 | Rogermitchellite | Na6Sr12Ba2Zr13Si39B4O123(OH)6 · 20H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Catapleiite in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Catapleiite
mindat.org URL:
https://www.mindat.org/min-919.html
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References for Catapleiite
Reference List:
Weibye, P. H., Berlin, N. J., Sjögren, K. A., von Borck, J. B. (1850) Neue Mineralien aus Norwegen beschrieben von P.H. Weibye; analysirt von N.J. Berlin, K.A. Sjögren und J.B. von Borck (Erster Theil) [1.Tritomit, 2. Katapleiit, 3.Atheriasit, 4. Eudnophit.]. Annalen der Physik und Chemie, 155. Wiley. 299-304 doi:10.1002/andp.18501550210
Localities for Catapleiite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
All localities listed without proper references should be considered as questionable.
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada