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Stilbite

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Colour:
White
Lustre:
Vitreous, Pearly
Hardness:
3½ - 4
Specific Gravity:
2.18 - 2.2
Name:
Named in 1797 by Jean Claude de la Métherie from Greek στιλβη "stilbein", to glitter of shine, or "stilbe", a mirror, alluding to its pearly or vitreous luster. Originally, but inconsistently called zeolite in 1756 by Axel Cronstedt. Named crystalii ad centrum tendentes in 1758 by Cronstedt. In 1772, Johan Gottschalk Wallerius called this mineral zeolite selenitica lamellaris. Also in 1797, de la Métherie called this mineral zeolite nacrée. Werner (1780) called this mineral strehliger zeolith. Rene Just Haüy (1801) used the term stilbite anamorphique for a mineral now recognized as heulandite. Desmine was introduced in 1818 by Johann Friedrich August Breithaupt. Sphaerostilbite was used in 1832 by François Sulpice Beudant. Additional varietal names and synonyms have been proposed: blättricher zeolit, hypostilbite, puflerite, radiated zeolite, and syhedrite.
This name now refers to the minerals Stilbite-Ca and Stilbite-Na.
Stilbite is easily confused with stellerite.


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Classification of StilbiteHide

16.10.21

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Physical Properties of StilbiteHide

Vitreous, Pearly
Colour:
White
Streak:
White
Hardness:
3½ - 4 on Mohs scale
Density:
2.18 - 2.2 g/cm3 (Measured)    2.23 g/cm3 (Calculated)

Optical Data of StilbiteHide

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°
Max Birefringence:
δ = 0.010 - 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak

Crystallographic forms of StilbiteHide

Crystal Atlas:
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Stilbite no.1 - Goldschmidt (1913-1926)
Stilbite no.6 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Synonyms of StilbiteHide

Other Language Names for StilbiteHide

Catalan:Estilbita
Danish:Stilbit
Dutch:Stilbiet
Hungarian:Dezmin
Japanese:束沸石
Polish:Stilbit
Simplified Chinese:辉沸石
Ukrainian:Десмін

Common AssociatesHide

Associated Minerals Based on Photo Data:
Apophyllite464 photos of Stilbite associated with Apophyllite on mindat.org.
Calcite437 photos of Stilbite associated with Calcite on mindat.org.
Fluorapophyllite-(K)403 photos of Stilbite associated with Fluorapophyllite-(K) on mindat.org.
Quartz401 photos of Stilbite associated with Quartz on mindat.org.
Heulandite335 photos of Stilbite associated with Heulandite on mindat.org.
Cavansite233 photos of Stilbite associated with Cavansite on mindat.org.
Chabazite144 photos of Stilbite associated with Chabazite on mindat.org.
Laumontite135 photos of Stilbite associated with Laumontite on mindat.org.
Mesolite82 photos of Stilbite associated with Mesolite on mindat.org.
Scolecite80 photos of Stilbite associated with Scolecite on mindat.org.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.10.1Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
16.10.2LisetiteCaNa2Al4Si4O16Orth.
16.10.4Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
16.10.5Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2OOrth.
16.10.6MesoliteNa2Ca2Si9Al6O30 · 8H2OOrth. mm2 : Fdd2
16.10.7Faujasite
16.10.8Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
16.10.9BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
16.10.10Herschelite(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2OTrig.
16.10.11Phillipsite
16.10.12Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
16.10.13WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.
16.10.14Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2OOrth. mmm (2/m 2/m 2/m)
16.10.15Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2OOrth.
16.10.16Reyerite(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2OTrig.
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite
16.10.20GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
16.10.22DachiarditeMon.
16.10.23OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
16.10.24PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
16.10.25Erionite
16.10.26Paulingite
16.10.27Sodium Dachiardite(Na2,Ca,K2)4-5Al8Si40O96 · 26H2O
16.10.28Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
16.10.29RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for StilbiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Haüy, R.J. (1796): Journal des mines, 5, 276.
Pabst, A. (1939): The relation of stellerite and epidesmine to stilbite. Mineralogical Magazine 25, 271-276. [Abstract in: American Mieralogist 24, 63 (1939)]
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.

Internet Links for StilbiteHide

Localities for StilbiteHide

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 ListShow