Cassiterite is a tin ore. While used mostly in tin production, fine specimens of the black rocks are also used as ornaments. The black gemstones are usually opaque, but can be translucent when found in thin crystals. The black stones have a metallic luster that makes them desirable for jewelry.lso known as fluorspars, fluorites are fluorescent (an adjective derived from its name) stones that come in virtually all colors, including red, yellow, green and black. The black gemstones are less common. The black stones, like all fluorites, are rather soft, and hence not widely used in jewelry.
New Mexico Medical Marijuana Laws. New Mexico allows medical marijuana use under limited circumstances. However, it is still a crime to drive under the influence of marijuana, and other laws regarding marijuana possession for non-medical purposes will still apply. For information about how New Mexico treats illegal marijuana possession, sale, and manufacture, see New Mexico Marijuana Laws.
On January 11, 2010, the New Jersey legislature approved a measure legalizing medical cannabis for patients with severe chronic illnesses, the New Jersey Compassionate Use Medical Marijuana Act. Governor Corzine signed the bill into law on January 18. As of 2015 there were three dispensaries in the state.n June 15, 2015, the Colorado Supreme Court ruled that even though medical marijuana is legal in Colorado, employers can fire workers who use marijuana for medical reasons because it violates federal law.