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Clinoptilolite-Na

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Richardson Ranch (Priday Ranch), Madras, Jefferson Co., Oregon, USA
© Dick Dionne

Show Clinoptilolite-Na Photos (21)
Formula:
(Na,K,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
System:MonoclinicLustre:Vitreous
Hardness:3½ - 4
Name:From the Greek klino - "oblique" ptylon - "feather" and lithos - "stone.." The Na-dominant member of the clinoptilolite series.


The sodium analogue of Clinoptilolite-Ca and Clinoptilolite-K. Clinoptilolite-Na-Heulandite-Na Series.

Classification of Clinoptilolite-Na

IMA status:Approved
Strunz 8th edition ID:8/J.23-18
Nickel-Strunz 10th (pending) edition ID:9.GE.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra
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Type Occurrence of Clinoptilolite-Na

Type Locality:Barstow Formation, Owl Canyon, San Bernardino Co., California, USA

Physical Properties of Clinoptilolite-Na

Lustre:Vitreous
Hardness (Mohs):3½ - 4

Crystallography of Clinoptilolite-Na

Crystal System:Monoclinic

Optical Data of Clinoptilolite-Na

Type:Biaxial (+/-)
RI values: nα = 1.476 - 1.491 nβ = 1.479 - 1.493 nγ = 1.479 - 1.497
2V:Measured: 31° to 48°
Maximum Birefringence:δ = 0.003 - 0.006

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v to r < v strong

Chemical Properties of Clinoptilolite-Na

Formula:
(Na,K,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
Essential elements:Al, H, Na, O, Si
All elements listed in formula:Al, Ca, H, K, Na, O, Si

Relationship of Clinoptilolite-Na to other Species

Series:Forms a series with Heulandite-Na (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.GE.05Clinoptilolite-Ca
(Ca,Na,K)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Clinoptilolite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Heulandite-Ca
(Ca,Na)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Heulandite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Heulandite-Na
(Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Heulandite-Sr
(Sr,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
9.GE.05Heulandite-Ba
(Ba,Ca,K,Na,Sr)
 
5
Al
 
9
Si
 
27
O
 
72
·22H
 
2
O
9.GE.10Stilbite-Ca
NaCa
 
4
[Al
 
9
Si
 
27
O
 
72
] · nH
 
2
O
9.GE.10Stilbite-Na
Na
 
3
Ca
 
3
[Al
 
8
Si
 
28
O
 
72
]·nH
 
2
O
9.GE.15Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
9.GE.15Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
9.GE.20Brewsterite-Ba
(Ba,Sr)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
9.GE.20Brewsterite-Sr
(Sr,Ba,Ca)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O

Other Names for Clinoptilolite-Na

Other Languages:
German:Klinoptilolith-Na
Russian:Клиноптилолит-Na

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 Clinoptilolite-Na

Reference List:Koyama, K. & Y. Takeuchi (1977), Clinoptilolite: The distribution of potassium atoms and its role in thermal stability: Zeitschrift für Kristallographie: 145: 216-239.

Tschermaks Mineralogische und Petrographische Mitteilungen: 18: 129-146.

Armbruster, T. (1993), Dehydration mechanism of clinoptilolite and heulandite: Single-crystal X-ray study of Na-poor, Ca-, K-, Mg-rich clinoptilolite at 100K: American Mineralogist: 78: 260-264.

Snellings, R.A., Gualtieri, A.F., Elsen, J. (2009): The Rietveld structure refinement of an exceptionally pure sample of clinoptilolite from Ecuador and its Na-, K-, and Ca-exchanged forms. Zeitschrift für Kristallographie Supplements, 30, 395-40

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    Localities for Clinoptilolite-Na

    Hide Locality List
    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.
    (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.
    Canada
     
    • British Columbia
      • Kamloops Mining Division
    		Tschernich, R. (1992): Zeolites of the World, p.254
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Příbram
    		Carles Curto Milà collection
    Indian Ocean
     
    • Ninety East Ridge (90° E Ridge; Indian Ridge)
      • D.S.D.P.
        • Leg 26
    		D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
    Spain
     
    • Andalusia
      • Almería
        • Níjar
    		JRG Lopez collection
    USA
     
    • California
      • Kern Co.
        • Kramer District
          • Boron
            • Kramer Borate deposit
              • U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine)
                • Baker mine
    		Am Min 90:1186-1191
      • San Bernardino Co.
        • Owl Canyon
    		The Canadian Mineralogist Vol. 35, pp. 1571-1606 (1997)
    • Oregon
      • Jefferson Co.
        • Madras
    		Micro Probe Volume VI Number 4
      • Lincoln Co.
        • Agate Beach
    		Micro Probe Vol. 9 No. 3, Spring 2001; Tschernich, R. (1992): Zeolites of the World, 116
    Mineral and/or Locality
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