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|Colour:||White||Hardness:||3½ - 4|
|Name:||From Greek "stilbein", to glitter of shine, or "stilbe", a mirror, alluding to its pearly or vitreous luster.|
This name now refers to the minerals Stilbite-Ca and Stilbite-Na.
Stilbite is easily confused with stellerite.
Classification of Stilbite
|Hey's CIM Ref.:||16.10.21|
16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis
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Physical Properties of Stilbite
|Hardness (Mohs):||3½ - 4|
|Density (measured):||2.18 - 2.2 g/cm3|
|Density (calculated):||2.23 g/cm3|
Crystallography of Stilbite
Click on an icon to view
About Crystal AtlasYou may need to scroll this box using your mouse to view the full instructions.
The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. You need Java to see these. You can download Java for free - click here to download Java
The 3d models and java code are kindly provided by www.smorf.nl. You can control the movement of the models by holding down the left mouse-button over the 3d model and moving your mouse. Keyboard controls are:
Optical Data of Stilbite
|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.
Relationship of Stilbite to other Species
|Member of:||Zeolite Group|
|Other Members of Group:|
|Related Minerals - Hey's Index Grouping:|
Other Names for Stilbite
|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
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.
Mindat.org articles about Stilbite
Internet Links for Stilbite
|Specimens:||The following Stilbite specimens are currently listed for sale on minfind.com.|
Localities for Stilbite
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.