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Green stone
Answer for the clue "Green stone ", 8 letters:
chlorite
Word definitions for chlorite in dictionaries
Wikipedia
Word definitions in Wikipedia
The chlorite ion , or chlorine dioxide anion, is . A chlorite (compound) is a compound that contains this group, with chlorine in oxidation state +3. Chlorites are also known as salts of chlorous acid .
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Chlorite \Chlo"rite\, n. [Gr. ? (sc. ?), fr. chlwro`s light green.] (Min.) The name of a group of minerals, usually of a green color and micaceous to granular in structure. They are hydrous silicates of alumina, iron, and magnesia. Chlorite slate , a schistose ...
WordNet
Word definitions in WordNet
n. a generally green or black mineral; it occurs as a constituent of many rocks typically in the form of a flat crystal
Wiktionary
Word definitions in Wiktionary
n. 1 (context mineral English) A dark green mineral resembling serpentine, being a mixed silicate of magnesium, iron and aluminium. 2 (context chemistry English) Any salt of chlorous acid.
Usage examples of chlorite.
Triassic red sand, acidic volcanics, pink feldspar, green chlorite, ironstone, grit, sand and silt.
Basically, a process called metamorphism caused the basalts in Shenandoah to recrystallize with new minerals, such as chlorite, epidote, and albite, which help give the rocks their greenish hue.
This is more especially true of chlorite, schorl, hornblende and augite.