Definition of piemontite in English:
piemontite
noun ˈpiːmɒntʌɪtˈpēmənˌtīt
mass nounA brown or black mineral consisting of a silicate of calcium, aluminium, iron, and manganese.
Example sentencesExamples
- It forms a series with clinozoisite and, together with a group of other minerals including zoisite, the allanites, and piemontite, is a dominant member of the epidote group.
- He reported that material previously said to be piemontite was actually a manganan epidote.
- The limit of piemontite solid solubility is found near p=1.9 at the above conditions.
- Since the formation of piemontite is dependant of a high concentration of manganese it is commonly found together with other manganese minerals.
- Piemontite has beautiful, high-order interference colors.
Origin
Late 19th century: from Italian Piemonte (see Piedmont) + -ite1.