- gratonite
- grat·on·ite
English syllables. 2014.
English syllables. 2014.
Gratonite — is a lead arsenic sulfide mineral, with the chemical composition Pb9As4S15. Gratonite was discovered in 1939 at the Excelsior Mine, Cerro de Pasco, Peru. It is named in honor of geologist L. C. Graton (1880 1970), who had a long standing… … Wikipedia
gratonite — ˈgratənˌīt noun ( s) Etymology: Louis C. Graton b1880 American geologist + English ite : a mineral Pb9As4S15 consisting of sulfide of lead and arsenic in rhombohedral crystals … Useful english dictionary
List of minerals F-J (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia
L. C. Graton — Louis Caryl Graton (1880 1970), American geologist, chemist and educator, began his career in 1900 as assayer for Ledyard Gold Mines Ltd., near Rockdale, Ontario. He moved on to Canadian Goldfields Ltd. later in 1900, then entered McGill… … Wikipedia
Liste des mineraux (lettre G) — Liste des minéraux (lettre G) liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W … Wikipédia en Français
Liste des minéraux (lettre G) — v · Liste des minéraux A • B • C • D • E • F • … Wikipédia en Français
Liste des minéraux (lettre g) — liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W … Wikipédia en Français
Minéraux composites (lettre G) — Liste des minéraux (lettre G) liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W … Wikipédia en Français