hornblende (Meaning)
hornblende (n)
a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
hornblende (n.)
The common black, or dark green or brown, variety of amphibole. (See Amphibole.) It belongs to the aluminous division of the species, and is also characterized by its containing considerable iron. Also used as a general term to include the whole species.
Synonyms & Antonyms of hornblende
No Synonyms and anytonyms found
hornblende Sentence Examples
- Hornblende, a dark green to black amphibole mineral, is commonly found in igneous and metamorphic rocks.
- The shiny, prismatic crystals of hornblende add a distinctive appearance to many rock formations.
- Geologists rely on the presence of hornblende to identify and characterize igneous rocks such as diorite and gabbro.
- In metamorphic rocks, hornblende often forms as a result of the alteration of pyroxene minerals under high pressure and temperature conditions.
- The cleavage surfaces of hornblende exhibit characteristic parallel striations that can be used for mineral identification.
- Magma that crystallizes in deep-seated environments often contains abundant hornblende due to the high pressure and low temperature.
- Hornblende is a valuable mineral for studying the thermal history of metamorphic rocks because its composition reflects the peak temperature and pressure conditions during metamorphism.
- The presence of hornblende in marine sediments indicates a detrital origin, derived from the erosion of igneous or metamorphic source rocks.
- Studies of hornblende inclusions in diamonds have provided insights into the composition and conditions of the deep Earth.
- The chemical composition of hornblende can vary significantly, influencing its color, refractive index, and other physical properties.
FAQs About the word hornblende
a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and ironThe common black, or dark green or brown, var
No synonyms found.
No antonyms found.
Hornblende, a dark green to black amphibole mineral, is commonly found in igneous and metamorphic rocks.
The shiny, prismatic crystals of hornblende add a distinctive appearance to many rock formations.
Geologists rely on the presence of hornblende to identify and characterize igneous rocks such as diorite and gabbro.
In metamorphic rocks, hornblende often forms as a result of the alteration of pyroxene minerals under high pressure and temperature conditions.
