magnesite - white vitreous nodular magnesite - large hand/display specimen and is a form of

and is a form of sparry magnesite

partly dried in a rotary kiln and screened to various sizes depending on its final application

magnesium carbonate

The angular fragments in a breccia show that the fragments were cemented where they were formed

Some have bumps that slightly bent an upper corner as noted below

magnesite - white vitreous nodular magnesite - large hand/display specimen and is a form ofMagnesite, MgCO3 Magnesite, magnesium carbonate, is usually earthy or granular, but it can be massive vitreous or crystalline and can occur in the form of nodules up to several feet in diameter. This particular magnesite is the cryptocrystalline vitreous form. When vitreous magnesite was first discovered in Muddy Valley, Nevada in the late 1800s, it was thought to be kaolin and plans were made to mine it as such. In 1915, before mining could begin, a