magnesite - white vitreous nodular magnesite - large hand/display specimen For more technical information on

For more technical information on this tremolite asbestos

These are useful as teaching specimens

Select a specimen: When more than one specimen is shown

The stripes have low permeability and were commonly sites of early cementation

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

magnesite - white vitreous nodular magnesite - large hand/display specimen For more technical information onMagnesite, 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