
Agate Beads
Agate is a variety of translucent Chalcedony ranging in many colors due to mineral inclusions.
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Latest update: 2022 May 21
Howlite & Magnesite Beads
Howlite, a calcium borosilicate hydroxide, is a beautiful snow white opaque color with gray markings stone that is often dyed to represent Turquoise. It is usually found in compact earthy masses and very rarely in crystals found in evaporate deposits.
Howlite was discovered near Windsor, Nova Scotia in 1868 by Henry How (1828–1879), a Canadian chemist, geologist, and mineralogist. How was alerted to the unknown mineral by miners in a gypsum quarry, who found it to be a nuisance. He called the new mineral silico-boro-calcite; it was given the name Howlite by James Dwight Dana.
Magnesite is a magnesium carbonate mineral, named after the presence of magnesium in its composition. Magnesite usually forms during the alteration of magnesium-rich rocks or carbonate rocks by metamorphism or chemical weathering. It is a soft mineral (Mohs 3.5-5.0) easily carved into beads.