chloritoid

chloritoid

A hydrous iron aluminum silicate mineral with an ideal formula of Fe₂²⁺Al₄O₂(SiO₄)₂(OH)₄. Chloritoid occurs as platy, black or dark green crystals, rarely more than a few millimeters in size. Its density ranges from 3.46 to 3.80 g/cm³, and its hardness on the Mohs scale is 6.5.

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Category: General science
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Flyfisher

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Industry/Domain: Sports Category: Fishing

improved clinch knot

A simple yet very strong knot for tying hooks and lures to fishing line that is most often used by anglers. Being quick and easy to tie are the main ...