When it comes to choosing the best pick among Gems for Gemini gemstones, Howlite is known to be a popular choice!Physical properties of Howlite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Howlite Optical Properties are responsible for imparting various physical properties to its structure. Knowledge of these properties is equally important to gem-cutters as well as to consumers. Howlite cleavage is nothing but the plane across which the crystal splits during cutting. Howlite cleavage is None,and specific gravity of Howlite is 2.45-2.58.
The physical properties of Howlite, in fact, are imparted by the chemical composition of its individual molecule. The reactivity or inertness of the crystal is solely governed by its chemical structure. Chemical composition of Howlite is represented by Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references.
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