Siberite vs Siderite - What's the difference?
siberite | siderite |
http://wwwmindatorg/min-11329html while siderite is .
(mineralogy) A violet form of tourmaline sometimes used as a gemstone.http://www.mindat.org/min-11329.html
(uncountable, mineral) a widespread brown mineral, FeCO3, having the structure of calcite
(countable) an iron meteorite
An indigo-blue variety of quartz.
(obsolete) magnetic iron ore; lodestone