SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Rhätizite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About RhätiziteHide

Formula:
Al2(SiO4)O
Colour:
White, pale grayish white
Lustre:
Sub-Vitreous, Resinous, Greasy
Hardness:
5 - 7
Specific Gravity:
3.50 - 3.60
Name:
Named rhätizite in 1815 by Abraham Werner in Christian August Siegfried Hoffmann's Handbuch für Mineralogy. Originally thought to be intermediate between tremolite and kyanite based on physical characteristics. Spelled in a variety of ways from the original: rhaetizite, rhadezite, rhetizite, etc.
A variety of Kyanite

A white to gray-white variety of Kyanite.


Physical Properties of RhätiziteHide

Sub-Vitreous, Resinous, Greasy
Transparency:
Translucent
Colour:
White, pale grayish white
Streak:
White
Hardness:
5 - 7 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
(100), good (010)
Parting:
good (001)
Fracture:
Irregular/Uneven, Splintery
Density:
3.50 - 3.60 g/cm3 (Measured)    

Chemical Properties of RhätiziteHide

Formula:
Al2(SiO4)O

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.

Internet Links for RhätiziteHide

 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 20, 2019 10:44:04 Page generated: July 6, 2019 06:53:56
Go to top of page