What's the difference between biotite and muscovite?

Biotite


Definition:

  • (n.) Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.

Example Sentences:

  • (1) The adhesion of cells of Salmonella typhimurium to albite, biotite, felspar, magnetite and quartz was correlated to the presence of fimbriae and degree of hydrophobicity and charge of the bacterial surface.
  • (2) These strains possess better ability to utilize the orthoclase and biotite.
  • (3) These fungi were incubated with the following iron-containing minerals: augite, hornblende, biotite, magnetite, hematite, and the igneous rock granodiorite.
  • (4) A high degree of adhesion to biotite, possibly due to a combination of characteristics of the particles, was not related to either bacterial fimbriation or a physico-chemical characteristic of the bacterial surface.
  • (5) In this survey the Rn in tight homes was on the average 3.5 times that in drafty ones, and areas with granitic bedrock led to homes having 2.3 times the Rn as for homes on chlorite-biotite-rich bedrock.
  • (6) Fibrous dusts (chrysotile, glass fibers, nemalite, palygorscite, and gypsum) and granular dusts (actinolite, biotite, hematite, pectolite, sanidine, and talcum) were injected intraperitoneally into rats.
  • (7) Among the oxides, oxyhydroxides, carbonates, and silicates, the magnesium-iron phyllosilicates (chlorite, biotite, berthierine) appear the most active.

Muscovite


Definition:

  • (n.) A native or inhabitant of Muscovy or ancient Russia; hence, a Russian.
  • (n.) Common potash mica. See Mica.

Example Sentences:

  • (1) The marketing slogan was: “There are 1,000 reasons not to believe in independent television, but just 1,000 roubles will get it for you.” Now, the price has gone up, to 4,800 roubles per year, and the channel has around 60,000 subscribers, with Muscovites making up nearly 40% of that number.
  • (2) During that summer of 1956, Khrushchev's thaw blossomed and Muscovites relaxed a little more.
  • (3) It was a starry event that lured some of the biggest names in Hollywood along with a sprinkling of the Muscovite elite.
  • (4) "The president is minimising his meetings in the Kremlin and is preferring to hold them in Ogaryovo to avoid disturbing Muscovites," Peskov told the Interfax new agency.
  • (5) More than 1,000 protesters were detained across Russia on Monday after the opposition leader Alexei Navalny raised the stakes in his battle with the Kremlin by calling on Muscovites to gatecrash a historical re-enactment fair being held on the Russian capital’s central street.
  • (6) Hepatic and pulmonary granulomas were recognised in two workers exposed respectively to Portland cement and to muscovite dusts.
  • (7) Many Muscovites were happy enough to see a tough response to the band's irreverent act of rebellion, which was aimed at President Vladimir Putin .
  • (8) Luzhkov pledged to form a movement to fight for democracy in Russia – a declaration that amused Muscovites, who had grown used to allegations of corruption during Luzhkov's 18-year rule.
  • (9) One of the Demon’s men, a jovial Muscovite, gave us a number to call so we could tell his relatives where to find his body when he is killed.
  • (10) "They are seeking to deliberately provoke disorder, which would threaten the lives and security of Muscovites," Sergei Tsoi declared.
  • (11) Out: Alexander Borodai A Muscovite, Borodai wrote for the ultranationalist newspaper “Zavtra” with Strelkov and is believed to have close ties to Russia’s intelligence services .
  • (12) Stories of soldiers being sent to the front without the necessary weaponry and almost starving to death out in the vastness of the Sahara, a place as alien and distant to them as Siberia is to a Muscovite, had turned public opinion against him.
  • (13) The same year, however, he was ejected from the mainstream Our Ukraine faction after referring to the "Muscovite-Jewish mafia".
  • (14) The avid political debate that erupted among average Muscovites around Russia's presidential election has largely faded into the background.
  • (15) By x-ray diffraction analysis the majority of the mineral particulates were free crystalline quartz and muscovite, an aluminum silicate in the mica group of minerals.
  • (16) Just hours before his death he had appeared on a radio programme calling on Muscovites to come out and protest against the economic crisis and the war in Ukraine.
  • (17) Outside Moscow, picket-fenced dachas, the summer houses of the rich Muscovites, dotted the landscape before giving way to countryside and forest, thousands of miles before we reached Irkutsk in a journey that would take in big and small stations, all busy no matter the time of day or night.
  • (18) Electron and x-ray diffraction showed the silicates to be muscovite mica and its hydrothermal degradation product, ie, illite clay.
  • (19) On the morning of 20 August, Muscovites woke up to discover that the pinnacle of Kotelnicheskaya embankment, one of the legendary “Seven Sisters”, had been painted in Ukrainian blue and yellow.
  • (20) Last year Muscovites spent $5bn on luxury goods - $1bn more than New York.

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