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Opalite is a trade name for synthetic opalescent glass and various opal and moonstone simulants. Other names for this glass product include argenon, sea opal, opal moonstone, and other similar names. [1] [2] It is also used to promote impure varieties of variously colored common opal. [1]
Beryl is a beryllium compound that is a known carcinogen with acute toxic effects leading to pneumonitis when inhaled. [15] Care must thus be used when mining, handling, and refining these gems. [ 16 ]
Spigelia marilandica, the woodland pinkroot [1] or Indian pink [2] [3] is a herbacious perennial wildflower in the Loganiaceae family [2] native to inland areas of the Southeastern and Midwestern United States. [3] It flowers in late spring and early summer [3] and tends to be found in low moist woods, ravines, or stream banks in partial or ...
A Peruvian opal (also called blue opal) is a semi-opaque to opaque blue-green stone found in Peru, which is often cut to include the matrix in the more opaque stones. It does not display a play of color. Blue opal also comes from Oregon and Idaho in the Owyhee region, as well as from Nevada around the Virgin Valley. [16] Opal is also formed by ...
Bismuth vanadate orange (PO86): non-toxic pigment similar to vermilion. Cadmium pigments. Cadmium orange (PO20): an intermediate between cadmium red and cadmium yellow: cadmium sulfoselenide. Chromium pigments. Chrome orange: a now obscure pigment composed of a mixture of lead chromate and lead(II) oxide (PbCrO 4 •PbO).
Smartwatches are a hot-ticket gift over the holidays, but a new study might have you rethink how you strap the device to your wrist in the future.
Rhodonite is a manganese inosilicate, with the formula (Mn, Fe, Mg, Ca)SiO 3, and member of the pyroxenoid group of minerals, crystallizing in the triclinic system. It commonly occurs as cleavable to compact masses with a rose-red color (its name comes from Ancient Greek ῥόδον (rhódon) 'rose'), often tending to brown due to surface oxidation.
A week after a dove — dyed pink from head to claw — was found on the streets of New York City and brought to a local bird-rescue organization for medical treatment, the bird has died, largely ...