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brittle mineral composed of lead
it cleaves into paper-thin transparent sheets
43" and weighs 3
called labradorescence
is the mineral calcium fluoride
Muscovite Book with Quartz fossils brittle mineral composed of leadMuscovite is the most common mineral of the mica family. It is an important rock forming mineral present in igneous, metamorphic, and sedimentary rocks. Like other micas, it cleaves into paper thin transparent sheets. These sheets have a pearly to vitreous luster on their surface. If they are held up to the light, they are transparent and nearly colorless, but can have a slight brown, yellow, green, or rose color tint. This item is 6. 25" x 4. 5" and
US$ 30.99
US$ 65.00
US$ 10.00
US$ 65.00
