Item talk:Q162716
Mindat Short Description
Tremolite forms a continuous series with the other minerals in the actinolite-tremolite series. It also forms a continuous series with edenite and richterite. At elevated PT conditions (upper amphibolite - granulite facies), the actinolite-tremolite se...
Geoscience Ontology Status Notes
Mineral is mentioned by its name, but not described: Höpfner J G A (1789) Ueber die Klassifikation der Fossilien in einem Schreiben des Herausgebers an Herrn Dr. Karsten in Halle, Magazin für die Naturkunde Helvetiens 4, 255-332 Named by E Pini, as described, for instance, in: Delamétherie J C (1792) Observations et mémoires sur la physique, sur l’histoire naturelle, et sur les arts et métiers. Discours préliminaire, Observations sur la Physique, sur l’Histoire Naturelle et sur les Arts 40, 2-40 Redefined: Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, commission on new minerals and mineral names, The Canadian Mineralogist 35, 219-246
IMA Formula (from Mindat)
◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2
RRUFF Formula (from Geoscience Ontology)
Ca2Mg5Si8O22(OH)2