Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Stilbite-Na

Big Photo

Cape Pula, Pula, Cagliari Province, Sardinia, Italy
© Antonio Gamboni

Show Stilbite-Na Photos (6)
Formula:
Na
 
3
Ca
 
3
[Al
 
8
Si
 
28
O
 
72
]·nH
 
2
O
System:MonoclinicColour:White, colourless, red, ...
Lustre:Vitreous, PearlyHardness:3½ - 4
Name:From the Greek stilbe - "luster" in allusion to the pearly to vitreous luster. The Na-dominant member of the stilbite series.


Zeolite Group.

Classification of Stilbite-Na

IMA status:Approved
Nickel-Strunz 10th (pending) edition ID:9.GE.10

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra
Dana 7th edition ID:77.1.4.3
mindat.org URL:http://www.mindat.org/min-7314.html
Please feel free to link to this page.

Type Occurrence of Stilbite-Na

Type Locality:Cape Pula, Pula, Cagliari Province, Sardinia, Italy

Physical Properties of Stilbite-Na

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Colour:White, colourless, red, light yellow, light to dark brown, cream
Streak:White
Hardness (Mohs):3½ - 4
Cleavage:Perfect
Perfect on the {010}
Fracture:Conchoidal
Density (measured):2.1 - 2.2 g/cm3
Density (calculated):2.2 g/cm3

Crystallography of Stilbite-Na

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 13.63Å, b = 18.17Å, c = 11.31Å
β = 129.166°
Ratio:a:b:c = 0.75 : 1 : 0.622
Unit Cell Volume:V 2 ų
Z:1

Optical Data of Stilbite-Na

Type:Biaxial (-)
RI values: nα = 1.479 - 1.492 nβ = 1.485 - 1.500 nγ = 1.489 - 1.505
2V:Measured: 22° to 79°, Calculated: 76° to 78°
Maximum Birefringence:δ = 0.010 - 0.013

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:weak

Chemical Properties of Stilbite-Na

Formula:
Na
 
3
Ca
 
3
[Al
 
8
Si
 
28
O
 
72
]·nH
 
2
O
Essential elements:Al, Ca, H, Na, O, Si
All elements listed in formula:Al, Ca, H, Na, O, Si

Relationship of Stilbite-Na to other Species

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.05Clinoptilolite-Na
(Na,K,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.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
Related Minerals - Dana Grouping):

- +
77.1.4.1Heulandite-Ca
(Ca,Na)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
77.1.4.1Heulandite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
77.1.4.1Heulandite-Na
(Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
77.1.4.1Heulandite-Sr
(Sr,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
·12H
 
2
O
77.1.4.3Stilbite-Ca
NaCa
 
4
[Al
 
9
Si
 
27
O
 
72
] · nH
 
2
O
77.1.4.5Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O

Other Names for Stilbite-Na

Other Languages:
German:Stilbit-Na
Russian:Стильбит-(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 Stilbite-Na

Reference List:Slaughter, M. (1970), Crystal structure of stilbite: American Mineralogist: 55: 387-397.

Cruciani, G., G. Artioli, A. Gualtieri, K. Stahl, and J.C. Hanson (1997), Dehydration dynamics of stilbite using synchrotron X-ray powder diffraction: American Mineralogist: 82: 729-739.

Cruciani, G., G. Artioli, A. Gualtieri,
Acta Crystallographica: B27: 833-841.

Bulletin de Mineralogie: 101: 368-375.

Mineralogical Magazine (1998): 62: 555.

Internet Links for Stilbite-Na

Search Engines:
  • Look for Stilbite-Na on Google
  • Look for Stilbite-Na images on Google
    • External Links:
  • Look for Stilbite-Na on Webmineral
  • Look for Stilbite-Na on Athena Mineralogy
  • Look for Stilbite-Na on Wikipedia
  • Look for Stilbite-Na on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Stilbite-Na in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Search for - Stilbite-Na - on e-Rocks Mineral Sales & Auctions
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy minerals from Mineralium.com
  • SpiriferMinerals.com - high quality specimens
  • Edwards Minerals - Fine Specimens
  • Buy fine minerals and gemstones from Pala International
  • Find Stilbite-Na on www.crystalclassics.co.uk
  • Buy Fine Minerals from mineralsweb.com
  • High-end worldwide specimens & outstanding customer service
  • Lapis Mineral Magazin
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Dan Weinrich Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Stilbite-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.
    Australia
     
    • South Australia
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Strathalbyn
    		South Australian Museum collection
    • Victoria
      • Phillip Island
    India
     
    • Maharashtra
      • Aurangabad District
        • Bidkin
    		various added photos
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Omegna
    		- Albertini,C. (2000) : Ritrovamenti nel Rio Inferno, Brughiere di Omegna. Prima segnalazione nel granito di Baveno : uranofane-beta - Rivista Mineralogica Italiana, Milano, XXIV, 2, 88-92.
    • Sardinia
      • Cagliari Province
        • Margherita di Pula
          • Nora
    		Lapis 2003(2), 21-30
        • Pula
    		The Canadian Mineralogist Vol. 35, pp. 1571-1606 (1997)
    Japan
     
    • Kyushu Island
      • Fukuoka prefecture
        • Munakata
    		Ueno and Hanada (1982) Koubutsugaku Zasshi, 15, 259-272.
    USA
     
    • Alaska
      • Wrangell-Petersburg Borough
        • Kupreanof Island
    		The Canadian Mineralogist; June 1997; v. 35; no. 3; p. 691-698
    • New Jersey
      • Passaic Co.
        • Little Falls Township
          • Great Notch
    		Rocks & Min.: 15:111-115 (1940), Sachs.
    • Pennsylvania
      • Berks Co.
        • Birdsboro
          • Gickerville (Gibralter)
    		Rocks & Min.: 21:142-143.
      • Montgomery Co.
        • Marlborough Township
          • Perkiomenville
    		Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Rocks & Min.: 10:111; 16:136-137; 17:341; 22: 803-804.
    • Utah
      • Tooele Co.
        • Oquirrh Mts
          • Rush Valley District (Stockton District)
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Washington
      • King Co.
        • Preston
    		Minerals of Washington, Bart Cannon, 1975
      • Stevens Co.
        • Deer Trail District
          • Turtle Lake
    		Cannon, B. (1975): Minerals of Washington, p.53
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 09:20:37