Mica

The mica group of sheet silicate (phyllosilicate) minerals includes several closely related materials having nearly perfect basal cleavage. All are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition. The nearly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms.

The word mica is derived from the Latin word mica, meaning a crumb, and probably influenced by micare, to glitter.

Classification

Chemically, micas can be given the general formula

in which

Structurally, micas can be classed as dioctahedral (Y = 4) and trioctahedral (Y = 6). If the X ion is K or Na, the mica is a common mica, whereas if the X ion is Ca, the mica is classed as a brittle mica.

Trioctahedral micas

Common micas:

Brittle micas:

Interlayer deficient micas

Very fine-grained micas, which typically show more variation in ion and water content, are informally termed "clay micas". They include:

Mica (disambiguation)

Mica and similar may refer to:

People

Companies

Acronyms

Camacho (wrestler)

Tevita Fifita (born May 7, 1983) is a Tongan-American professional wrestler better known by his ring name Micah while his status with TNA is unknown. He is best known for working for WWE under the name Camacho between 2011 and 2014. He previously worked in WWE's developmental territory, Florida Championship Wrestling, under the name Donny Marlow where he was a one-time FCW Florida Tag Team Champion with CJ Parker. Part of a large wrestling family, he is the cousin of Bad Luck Fale, adoptive brother of Tama Tonga, and the son of Haku.

Early years

Born in Kissimmee, Florida, Fifita attended the University of Texas at El Paso [UTEP], where he played football as a defensive end. And graduated with a degree in Liberal Arts with major in Communications Electronic Media and minor in criminal justice.

Professional wrestling career

World Wrestling Entertainment / WWE

Florida Championship Wrestling (2009–2011)

On February 10, 2009, Fifita signed a developmental contract with World Wrestling Entertainment and was assigned to its developmental territory Florida Championship Wrestling (FCW) as "Tonga". In March, he became known as Agent T., as part of Washington's Secret Service stable alongside Agent D. and Agent C, He later changed his name to Donny Marlow. On July 21, 2011, Marlow and CJ Parker defeated Calvin Raines and Big E. Langston to win the FCW Florida Tag Team Championship. On November 3, Marlow and Parker lost the Tag Team Championship to Brad Maddox and Briley Pierce.

Leisure

Leisure has been defined as a quality of experience or as free time. (1)

Free time is time spent away from business, work, job hunting, domestic chores and education. It also excludes time spent on necessary activities such as eating and sleeping. From a research perspective, this approach has the advantages of being quantifiable and comparable over time and place.Leisure as experience usually emphasizes dimensions of perceived freedom and choice. It is done for "its own sake", for the quality of experience and involvement.(1) Other classic definitions include Thorsten Veblen's (1899) of "nonproductive consumption of time." (2) Different disciplines have definitions reflecting their common issues: for example, sociology on social forces and contexts and psychology as mental and emotional states and conditions.

Recreation differs from leisure in that it is purposeful activity that includes the experience of leisure in activity contexts..

The distinction between leisure and unavoidable activities is not a rigidly defined one, e.g. people sometimes do work-oriented tasks for pleasure as well as for long-term utility. A distinction may also be drawn between free time and leisure. For example, Situationist International maintains that free time is illusory and rarely fully "free"; economic and social forces appropriate free time from the individual and sell it back to them as the commodity known as "leisure". Certainly most people's leisure activities are not a completely free choice, and may be constrained by social pressures, e.g. people may be coerced into spending time gardening by the need to keep up with the standard of neighbouring gardens or go to a party to because of social pressures..

Leisure (album)

Leisure is the debut studio album by the English rock band Blur. The album was released on 26 August 1991 in the United Kingdom via Food Records, and peaked at number 7 in the UK Albums Chart. It was released in the US a month later with a different track listing. The album was certified Gold in the UK. The US version of Leisure was frontloaded with Blur's three UK singles, and the song "Sing" was replaced by "I Know", previously an A-side with "She's So High" (see track listings for exact changes). The Canadian version has the same track listing as the UK version.

Overview

In 2007, lead singer Damon Albarn referred to Leisure as "awful" and one of two bad records he had made, along with Blur's The Great Escape (1995).

"Sing" was included on the Trainspotting soundtrack in 1996. The original version, "Sing (To Me)", was recorded as a demo in late 1989 under the band's former name, Seymour, and can be heard on the ultra-rare promo-only single which was released over a decade later in February 2000 and on the first of 4-disc set with rare stuff in Blur 21 box set.

Leisure (poem)

"Leisure" is a poem by Welsh poet W. H. Davies, appearing originally in his Songs Of Joy and Others, published in 1911 by A. C. Fifield and then in Davies' first anthology Collected Poems, by the same publisher in 1916.

Structure

The poem is written as a set of seven rhyming couplets.

Summary

Although it was to become Davies' best known poem, curiously it was not included in any of the five Georgian Poetry anthologies published by Edward Marsh between 1912 and 1922. Thirty two of Davies' other poems were.

It warns that "the hectic pace of modern life has a detrimental effect on the human spirit." Modern man has no time to spend free time in the lap of nature.

Appraisal

In his 1963 Critical Biography of Davies, Richard Stonesifer traces the origins of the poem back to the sonnet "The World Is Too Much with Us" by William Wordsworth, saying:

"But he went to school with Wordsworth's sonnet "The world is too much with us", and echoes from that sonnet resound throughout his work as from few other poems. Philosophically, no other single poem can be said to form the basis of so much of his poetry. The celebrated opening of his wise little poem "Leisure" has its origins here."