Clinoptilolite-Ca
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Clinoptilolite-Ca
Formula:
Ca3(Si30Al6)O72 · 20H2O
Generally not pure but containing additional Na and/or K. Formula previously given as (Ca,Na,K)2-3Al3(Al,Si)2Si13O36.12H2O.
Lustre:
Vitreous
Hardness:
3½ - 4
Crystal System:
Monoclinic
Member of:
Name:
From the Greek klino - "oblique" ptylon - "feather" and lithos - "stone." The Ca-dominant member of the clinoptilolite series.
Type Locality:
The calcium analogue of Clinoptilolite-K and Clinoptilolite-Na. Clinoptilolite-Ca-Heulandite-Ca Series.
Unique Identifiers
Mindat ID:
6882
Long-form identifier:
mindat:1:1:6882:2
GUID
(UUID V4):
(UUID V4):
3a07a8b8-1139-4225-a11a-a045080eaff5
IMA Classification of Clinoptilolite-Ca
Approved
First published:
1977
Classification of Clinoptilolite-Ca
9.GE.05
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Cpt-Ca | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Cpt | Whitney & Evans (2010) | Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185â187 doi:10.2138/am.2010.3371 |
| Cpt | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
| Cpt | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261â264 doi:10.1180/clm.2020.30 |
Physical Properties of Clinoptilolite-Ca
Vitreous
Hardness:
3½ - 4 on Mohs scale
Optical Data of Clinoptilolite-Ca
Type:
Biaxial (+/-)
RI values:
nα = 1.476 - 1.491 nβ = 1.479 - 1.493 nγ = 1.479 - 1.497
2V:
Measured: 31° to 48°
Max Birefringence:
δ = 0.003 - 0.006
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 to r < v strong
Chemistry of Clinoptilolite-Ca
Mindat Formula:
Ca3(Si30Al6)O72 · 20H2O
Generally not pure but containing additional Na and/or K. Formula previously given as (Ca,Na,K)2-3Al3(Al,Si)2Si13O36.12H2O.
Generally not pure but containing additional Na and/or K. Formula previously given as (Ca,Na,K)2-3Al3(Al,Si)2Si13O36.12H2O.
Crystallography of Clinoptilolite-Ca
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 17.66 Å, b = 17.963 Å, c = 7.400 Å
β = 116.47°
β = 116.47°
Ratio:
a:b:c = 0.983 : 1 : 0.412
Unit Cell V:
2,101.39 Ă
Âł (Calculated from Unit Cell)
Z:
2
Comment:
Space Group: C2/m, C2, or Cm
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
|---|---|---|---|---|---|---|---|
| 0001304 | Clinoptilolite-Ca | Smyth J R, Spaid A T, Bish D L (1990) Crystal structures of a natural and a Cs-exchanged clinoptilolite natural sample American Mineralogist 75 522-528 |  | 1990 | 0 | 293 | |
| 0001547 | Clinoptilolite-Ca | Armbruster T (1993) Dehydration mechanism of clinoptilolite and heulandite: Single-crystal X-ray study of Na-poor, Ca-, K-, Mg-rich clinoptilolite at 100 K Sample Natural Data obtained from the ICSD American Mineralogist 78 260-264 | | 1993 | 0 | 293 | |
| 0001548 | Clinoptilolite-Ca | Armbruster T (1993) Dehydration mechanism of clinoptilolite and heulandite: Single-crystal X-ray study of Na-poor, Ca-, K-, Mg-rich clinoptilolite at 100 K Sample Dehyd 1 Data obtained from the ICSD American Mineralogist 78 260-264 | | 1993 | 0 | 293 | |
| 0006812 | Clinoptilolite-Ca | Cappelletti P, Langella A, Cruciani G (1999) Crystal-chemistry and synchrotron Rietveld refinement of two different clinoptilolites from volcanoclastites of North-Western Sardinia European Journal of Mineralogy 11 1051-1060 | 1999 | volcanoclastites of North-Western Sardinia | 0 | 293 | |
| 0006813 | Clinoptilolite-Ca | Cappelletti P, Langella A, Cruciani G (1999) Crystal-chemistry and synchrotron Rietveld refinement of two different clinoptilolites from volcanoclastites of North-Western Sardinia European Journal of Mineralogy 11 1051-1060 | 1999 | volcanoclastites of North-Western Sardinia | 0 | 293 | |
| 0010792 | Clinoptilolite-Ca | Koyama K, Takeuchi Y (1977) Clinoptilolite: The distribution of potassium atoms and its role in thermal stability Zeitschrift fur Kristallographie 145 216-239 | | 1977 | Kuruma Pass, Fukushima Prefecture, Japan | 0 | 293 |
| 0010793 | Clinoptilolite-Ca | Koyama K, Takeuchi Y (1977) Clinoptilolite: The distribution of potassium atoms and its role in thermal stability Zeitschrift fur Kristallographie 145 216-239 | | 1977 | Agoura, California, USA | 0 | 293 |
| 0015651 | Clinoptilolite-Ca | Alberti A (1975) The crystal structure of two clinoptilolites Tschermaks Mineralogische und Petrographische Mitteilungen 22 25-37 | 1975 | Agoura, California, USA | 0 | 293 |
CIF Raw Data - click here to close
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earthâs earliest Hadean crust | >4.50 |
| 9 : Lava/xenolith minerals (hornfels, sanidinite facies) | |
| 10 : Basalt-hosted zeolite minerals | |
| Stage 3b: Earthâs earliest hydrosphere | >4.45 |
| 14 : Hot springs, geysers, and other subaerial geothermal minerals | |
| 16 : Low-đ aqueous alteration of Hadean subaerial lithologies (see also #23) | |
| Near-surface Processes | |
| 23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
| 24 : Authigenic minerals in terrestrial sediments (see also #17) | |
| 25 : Evaporites (prebiotic) | |
| Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
| 48 : Soil leaching zone minerals | <0.6 |
Type Occurrence of Clinoptilolite-Ca
Reference:
Koyama, K. and Y. Takeuchi (1977) Clinoptilolite: The distribution of potassium atoms and its role in thermal stability. Zeitschrift fĂŒr Kristallographie: 145: 216-239.
Other Language Names for Clinoptilolite-Ca
German:Klinoptilolith-Ca
Russian:ĐĐ»ĐžĐœĐŸĐżŃĐžĐ»ĐŸĐ»ĐžŃ-Ca
Relationship of Clinoptilolite-Ca to other Species
Member of:
Other Members of this group:
| Clinoptilolite-K | K6(Si30Al6)O72 · 20H2O | Mon. 2/m |
| Clinoptilolite-Na | Na6(Si30Al6)O72 · 20H2O | Mon. 2/m : B2/m |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
| 35 photos of Clinoptilolite-Ca associated with Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| 27 photos of Clinoptilolite-Ca associated with Eudialyte Group | [N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Î4X(1)X(2) |
| 23 photos of Clinoptilolite-Ca associated with Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
| 20 photos of Clinoptilolite-Ca associated with Sodalite | Na4(Si3Al3)O12Cl |
| 20 photos of Clinoptilolite-Ca associated with Erionite-Ca | (Ca,K2,Na2)2[Al4Si14O36] · 15H2O |
| 20 photos of Clinoptilolite-Ca associated with Pyrite | FeS2 |
| 16 photos of Clinoptilolite-Ca associated with Erionite-K | (K2,Ca,Na2)2[Al4Si14O36] · 15H2O |
| 14 photos of Clinoptilolite-Ca associated with Calcite | CaCO3 |
| 13 photos of Clinoptilolite-Ca associated with Analcime | Na(AlSi2O6) · H2O |
| 11 photos of Clinoptilolite-Ca associated with Dachiardite-Ca | (Ca,Na2,K2)5Al10Si38O96 · 25H2O |
Related Minerals - Strunz-mindat Grouping
| 9.GE.05 | Clinoptilolite-K | K6(Si30Al6)O72 · 20H2O |
| 9.GE.05 | Clinoptilolite-Na | Na6(Si30Al6)O72 · 20H2O |
| 9.GE.05 | Heulandite-Ca | (Ca,Na)5(Si27Al9)O72 · 26H2O |
| 9.GE.05 | Heulandite-K | (K,Ca,Na)5(Si27Al9)O72 · 26H2O |
| 9.GE.05 | Heulandite-Na | (Na,Ca,K)6(Si,Al)36O72 · 22H2O |
| 9.GE.05 | Heulandite-Sr | (Sr,Na,Ca)5(Si27Al9)O72 · 24H2O |
| 9.GE.05 | Heulandite-Ba | (Ba,Ca,K)5(Si27Al9)O72 · 22H2O |
| 9.GE.10 | Stilbite-Ca | NaCa4(Si27Al9)O72 · 28H2O |
| 9.GE.10 | Stilbite-Na | Na9(Si27Al9)O72 · 28H2O |
| 9.GE.15 | Barrerite | Na2(Si7Al2)O18 · 6H2O |
| 9.GE.15 | Stellerite | Ca4(Si28Al8)O72 · 28H2O |
| 9.GE.20 | Brewsterite-Ba | (Ba,Sr)[Al2Si6O16] · 5H2O |
| 9.GE.20 | Brewsterite-Sr | (Sr,Ba,Ca)[Al2Si6O16] · 5H2O |
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.
Internet Links for Clinoptilolite-Ca
mindat.org URL:
https://www.mindat.org/min-6882.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Clinoptilolite-Ca
Reference List:
Alberti, A. (1972) On the crystal structure of the zeolite heulandite. TMPM Tschermaks Mineralogische und Petrographische Mitteilungen, 18 (2). 129-146 doi:10.1007/bf01081798
Armbruster, Thomas (1993) Dehydration mechanism of clinoptilolite and heulandite: Single-crystal X-ray study of Na-poor, Ca-, K-, Mg-rich clinoptilolite at 100 K. American Mineralogist, 78 (3-4) 260-264
Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartieri, Simona, Rinaldi, Romano, Ross, Malcolm I., Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (1997) Recommended nomenclature for zeolite minerals; report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (6) 1571-1606
Localities for Clinoptilolite-Ca
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Pablo Rodrigo Leal et al. (2011) |
Armenia | |
| Pavel.M. Kartashov (n.d.) |
Austria | |
| Kolitsch et al. (2012) |
| Kolitsch et al. (2015) |
Bulgaria | |
| Encheva |
Canada | |
| Pe-Piper et al. (2002) |
| Pe-Piper et al. (2002) |
| Pe-Piper (2000) | |
| Pe-Piper (2000) | |
| Reiner Mielke 2016 |
| Van Velthuizen et al. (2006) |
| HorvĂĄth collection XRD & EMPA EDS |
Cyprus | |
| PrĂŒfer (2010) |
Czech Republic | |
| P.PauliĆĄ et al. (2014) |
France | |
| Renac et al. (2010) |
Germany | |
| Habel (2009) |
| Belendorff (2021) |
| Belendorff (2021) |
Greece | |
| Voudouris et al. (2018) |
Hungary | |
| WDS - Norbert Zajzon |
| GEODA |
| SzakĂĄll-Gatter-Szendrei: Mineral ... |
Indian Ocean | |
| D. Besse et al. |
Israel | |
| Kruszewski et al. (2021) |
Italy | |
| Gramaccioli (1975) +2 other references |
Japan | |
| Nendo Kagaku v.30 (1990) |
| Z. Kristallogr. 145 +1 other reference |
| PXRD + XRF by Alfredo Petrov |
New Zealand | |
| S. J. Mills |
| T. Saunderson collection |
| S. J. Mills |
Slovakia | |
| MyĆĄÄŸan P et al. (2022) |
| MyĆĄÄŸan P et al. (2022) | |
| MyĆĄÄŸan P et al. (2022) |
| Tschegg et al. (2019) |
Spain | |
| Calvo (2018) |
| various added photos |
| various added photos |
UK | |
| Paul De Bondt collection |
| J.Russell Socierty 2006 |
USA | |
| Walstrom (n.d.) |
| Michael C. Michayluk collection |
| RRUFF database specimen no. RO61098 |
| Altaner et al. (1990) |
| Wise et al. (1978) |
| Kearns et al. (2016) |
| Tschernich et al. (1982) +1 other reference |
| Micro Probe Volume IX Number 3 Spring ... +1 other reference |
| Rudy Tschernich Zeolite Collection |
Quick NavTopAbout Clinoptilolite-CaUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureGeological EnvironmentType Occurrence Other LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Cape Lookout Quarry, Tillamook County, Oregon, USA