Marsala is available in many levels of sweetness, with dolce providing the best substitute for cream sherry. Madeira, produced on the Portuguese island of the same name, is another viable substitute. In a pinch, sweet vermouth can also be used successfully in many recipes.
First they are all concrete, just different application methods. Gunite (dry nozzle)is a dry mix where water is added at the nozzle. Shotcrete (wet nozzle) is premixed wet. They both use high air pressure to force the mixture to stick to the wall. Just as if you take a ball of mud and throw it at something, if wants to stick.
Helenite is an exquisite and vibrant man-made gemstone crafted from volcanic ash from the famous 1980 eruption of Mount St. Helens in Washington State. 1  Known for stunning and intense colors, Helenite can be found in shades of deep blue and burgundy. However, the dark green variety is the most prevalent and highly prized. Helenite is created by crushing volcanic ash and rock and fusing it at temperatures as high as 2,700 degrees Fahrenheit. Its stunning colors have made Helenite an attractive alternative to rare emerald, ruby or garnet gemstones. Helenite is named for Mount St. Helens, the Washington volcano famously known for its violent eruption on May 18, 1980.