rathite
/ˈrɑːtʌɪt/ /ˈraθʌɪt/Mineralogy
noun
Any of a group of minerals that consist of complex sulpharsenites of lead, often with thallium and other elements, and occur in crystalline dolomite in the Binnental in Valais, Switzerland; frequently with distinguishing Roman numeral; specifically (also rathite-I) the first described of these minerals, which occurs as metallic grey crystals of the monoclinic system and is distinguished from dufrénoysite by the presence of thallium, silver, and (sometimes) antimony.
- The rathites are structurally related to sartorite, and some are now identified with other minerals..
Origin
Late 19th century; earliest use found in Mineralogy Magazine. From German Rathit from the name of G. vom Rath, German mineralogist + -it.
- light chain
- light-coloured
- light cone
- light cream
- light curve
- lighten
- lightener
- light engine
- lightening
- light entertainment
- lighter
- lighterage
- lighter fuel
- lighterman
- lighter socket
- lighter-than-air
- lightface
- lightfast
- lightfastness
- light-fingered
- light fitting
- light flyweight
- light-footed
- light-footedly
- light gun