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Tremolite is a calcic amphibole which forms a solution series with actinolite and ferro-actinolite
the partly dried perlite is heated to 1
In the 1960s
a famous locality for fluorescent calcite that is now inaccessible
magnesite - white vitreous magnesite - display specimen Tremolite is a calcic amphiboleMagnesite, 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
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