astrophyllite meaning in Hindi

Examples

1. It is associated with microcline and astrophyllite at Pikes Peak, Colorado.
2. Astrophyllite is of interest primarily to scientists and collectors.
3. Astrophyllite is usually opaque to translucent, but may be transparent in thin specimens.
4. Several localities contain the rare amphibole riebeckite and the even more rare mineral astrophyllite.
5. Owing to its limited availability and high cost, astrophyllite is seldom seen in an ornamental capacity.
6. It was discovered in 1972 in the Korgeredabinsh massif, Tuva, Russia and is named for its zirconium content and its relationship to astrophyllite.
7. Found in cavities and fissures in unusual felsic igneous rocks, astrophyllite is associated with feldspar, mica, titanite, zircon, nepheline, and aegirine.
8. This newly discovered mineral belongs to the astrophyllite group of minerals and contains structures that are composed of titanosilicate layers ( Krivovichev et al ., 2004 ).
9. "' Astrophyllite "'is a very rare, brown to golden-yellow isomorphous series with kupletskite, to which it is visually identical and often intimately associated.
10. Serandite has been found in association with aegirine, analcime, arfvedsonite, astrophyllite, eudialyte, fluorite, leucophanite, mangan-neptunite, microcline, nepheline, sodalite, and villiaumite.