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- Amphibole - Wikipedia
Amphibole ( ˈ æ m f ə b oʊ l AM-fə-bohl) is a group of inosilicate minerals, forming prism or needlelike crystals, [1] composed of double chain SiO 4 tetrahedra , linked at the vertices and generally containing ions of iron and or magnesium in their structures
- Amphibole Group Minerals | Properties and Occurrence - Geology Science
Amphibole is an crucial institution of usually darkish-colored, inosilicate minerals, forming prism or needlelike crystals,composed of double chain SiO
- Amphibole | Structure, Composition Uses | Britannica
Amphibole, from the Greek amphibolos, meaning “ambiguous,” was named by the famous French crystallographer and mineralogist René-Just Haüy (1801) in allusion to the great variety of composition and appearance shown by this mineral group
- Amphibole Supergroup: Mineral information, data and localities.
The name amphibole (Greek αμφιβολος - amphibolos meaning 'ambiguous') was used by René Just Haüy to include tremolite, actinolite, tourmaline, and hornblende The group was so named by Haüy in allusion to the protean variety, in composition and appearance, assumed by its minerals This term has since been applied to the whole group
- Amphiboles - ALEX STREKEISEN
The amphibole structure consists of doubled (Si 4 O 11) 6-chains running parallel to c-axis (Fig 4) These chains are bonded to octahedral strips consisting of three regular octahedral sites (M1, M2, M3) and one larger 6- to 8-fold site (M4)
- Amphibole | Common Minerals
Amphibole is a common component of plutonic and metamorphic rocks across the region, but there are no notable local occurrences of collectable grade amphibole mineral crystals The Morton Gneiss of central Minnesota is probably the most famous amphibole-bearing regional rock
- Introduction to Amphibole Group Minerals - MineralExpert. org
The amphibole supergroup is a group of more then hundred rock-forming silicates This article provides general introduction to structure, physical properties and chemical composition of amphiboles
- 6. 4. 8: Amphiboles - Geosciences LibreTexts
The amphibole quadrilateral depicts variations in Ca, Mg, and Fe content well, but many amphiboles, especially hornblendes, contain K, Na, Al, Ti, and other elements in significant amounts Additionally, hornblende, the most common amphibole, is a complex mineral that contains many possible elements
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