Selenite (mineral) was filled with mineral-rich water that drove the crystals' growth. The largest of those crystals weighs 55 tons, is long, and is over 500,000 years old. Gypsum occurs on every continent and is the most common of all the sulfate minerals. Gypsum is formed as an evaporative mineral, frequently found in alkaline lake muds, clay beds, evaporated seas, salt flats, salt springs, and caves. It is frequently found in conjunction with other minerals such as, copper ores, sulfur and sulfides, silver, iron ores, coal, calcite, dolomite, limestone, and opal. Gypsum has been dated to almost every geologic age since the
What Work Is workers, but artists, readers, and academics. Levine's poetry is accessible and moving and is utterly American. The poems in "What Work Is" are more subtle in their thematic construction. Levine does not use caricatures in these poems but instead intimates real blue-collar workers. Many of the poems give a representation of a station of life not common in the subject matter of contemporary American poetry. Although not all of "What Work Is" is primarily about the working class. Instead the poems have a wide range and variety. However many of these poems, despite their subject matter, show elements that identify