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1. Actinolite: Actinolite is a bright to gray-green member of the amphibole mineral family. In addition to silica, it contains calcium, magnesium, and iron. [100%] 2023-02-28 [Geology]
2. Actinolite: Actinolite is an amphibole silicate mineral with the chemical formula Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2. The name actinolite is derived from the Greek word aktis (ἀκτίς), meaning "beam" or "ray", because of the mineral's ... (Chemistry) [100%] 2022-05-18 [Calcium minerals] [Magnesium minerals]...
3. Actinolite, Ontario: Actinolite (/ækˈtɪnoʊlaɪt/ ak-TIN-oh-lyte) is an unincorporated compact rural community in geographic Elzevir Township in the Municipality of Tweed, Hastings County in Central Ontario, Canada. It is on Ontario Highway 37, just south of Ontario Highway 7 and ... [70%] 2022-12-12 [Communities in Hastings County]