Suggestion may be sent to the Statewide Interoperability Coordinator, Jim Stromberg, at James.Stromberg@state.mn.us. Definition of Interoperability. Interoperability is the ability to communicate, as needed, on demand, and as authorized at all levels of government and across all Public Safety disciplines. The need for communications interoperability is a significant public safety issue for citizens and emergency responders readily recognized by our local public safety officials.
Other ID Marks. 1) Tarnish. On a freshly broken surface, the color is bright metallic-white. Upon prolonged exposure, it tarnishes black, brown to gray, and dark yellow.2) Silver is the best conductor of electricity. Complex Tests. Dissolves in nitric acid and and sulfuric acid.ilver can be found pure, but is usually mixed with small amounts of gold, arsenic, and antimony. A natural alloy of gold and silver is known as Electrum, and is usually classified as a variety of Gold. Silver is a very resistant mineral. It does not dissolve in most solvent s, and won't react to oxygen or water.
  Feldspar is a group of common, rock-forming minerals with 19 member species. These minerals are mostly colorless, white, off-white, light brown or gray, but one can find â¦ almost any color among the feldspar members.Certain potassium-rich feldspars may be a salmon to pink color.A certain variety of the mineral microcline called amazonite is turquoise to greenish blue. A certain variety of the mineral anorthite called labradorite is nearly black with a dark blue, green, red and gold sheen or iridescence (schiller).The well-known moonstone is another variety of some of the feldspar minerals with its pale to creamy color and iridescence. Feldspar is a group of common, rock-forming minerals with 19 member species. These minerals are mostly colorless, white, off-white, light brown or gray, but one can find â¦ almost any color among the feldspar members.