Omphacite is a member of the clinopyroxene group of silicate minerals with formula: (Ca, Na)(Mg, Fe2+, Al)Si2O6. It is a variably deep to pale green or...

garnet (almandine-pyrope) hosted in a matrix of sodium-rich pyroxene (omphacite). Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite...

In metabasites: omphacite + garnet ± kyanite, quartz, hornblende, zoisite In metagranodiorite: quartz + phengite + jadeite/omphacite + garnet In metapelites:...

aluminium. Omphacite is intermediate in composition between jadeite and diopside. However, there is not a true solid solution series, as omphacite has its...

than 20 mol.% calcium, magnesium or iron(II) components are known as omphacite and aegirine-augite. With 80% or more of these components the pyroxene...

Belgium (flint) Plancher-les-Mines, France (pelite) Aosta Valley, Italy (omphacite). metal axes are still produced and in use today in parts of Papua, Indonesia...

and/or orthopyroxene. There is also a miscibility gap between augite and omphacite, but this gap occurs at higher temperatures. There are no industrial or...

Greenstone artifacts may be made of greenschist, chlorastrolite, serpentine, omphacite, chrysoprase, olivine, nephrite, chloromelanite among other green-hued...

chromian pyrope, chromian spinel, ilmenite, perovskite, zircon, diamond, omphacite, rutile, carbonates and micas. It has been reported from the Red Ledge...

Oldhamite Olgite Olivenite Olivine (a group of silicate minerals) Olmiite Omphacite Oneillite Oosterboschite Oppenheimerite Ordóñezite Oregonite Orpiment...