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Polished 2.9-ounce (82 g) mohawkite nugget Mohawkite nugget. Mohawkite is a rare rock consisting of mixtures of arsenic, silver, nickel, skutterudite and copper, with the formula Cu 3 As up to Cu 6 As, and the most desirable material was usually found in white quartz matrix. [1]
Rock varnish microlamination (VML) dating uses the slow buildup of 'varnish' or dark coating on subaerially exposed rock surfaces. It is the world's slowest-accumulating sedimentary deposit at around ~1 μm per 1000 years. It is particularly well preserved and therefore useful in arid and semi-arid regions.
A table green wood-stained and varnished with three layers of polyurethane varnish Polyurethane varnishes are typically hard, abrasion-resistant, and durable coatings. They are popular for hardwood floors but are considered by some wood finishers to be difficult or unsuitable for finishing furniture or other detailed pieces.
Spray painting is a painting technique in which a device sprays coating material (paint, ink, varnish, etc.) through the air onto a surface. The most common types employ compressed gas—usually air —to atomize and direct the paint particles.
Desert varnish on gibber, Central Australia . Desert varnish or rock varnish is an orange-yellow to black coating found on exposed rock surfaces in arid environments. Desert varnish is approximately one micrometer thick and exhibits nanometer-scale layering. [1] Rock rust and desert patina are other terms which are also used for the condition ...
Choosing a clear finish for wood involves trade-offs between appearance, protection, durability, safety, requirements for cleaning, and ease of application. The following table compares the characteristics of different clear finishes. 'Rubbing qualities' indicates the ease with which a finish can be manipulated to deliver the finish desired.
Mohawk Industries factory in Commerce, Texas. In 1992, Mohawk went public with its shares traded first on the NASDAQ Stock Exchange under the ticker symbol "MWK" and currently on the New York Stock Exchange under the ticker symbol "MHK." [13] Mohasco's remaining assets were sold to other investors, and the company was later dissolved.
Without elasticity, the varnish would soon crack, allowing water to penetrate the wood beneath. Prior to the development of modern polymer chemistry, varnish production was rudimentary. Originally, spar varnish was a "long oil" varnish, composed primarily of drying oil with a small proportion of resin, usually boiled linseed oil and rosin. [1]