![]() ![]() Corundum is a hard gemstone, which makes pulling it out of hard rock formations a little less tricky than more fragile stones. Other material is light blue in color, not quite deep enough to be called sapphire. That’s not a bad thing by any means, ruby still bears its namesake color and crystals can make awesome display pieces for the home. It can be of surprising quality, although most of it is heavily included and not suitable for faceting. Ruby is the most common form of corundum found in New Jersey. Ruby and sapphire are two of classic precious gemstones, commanding high prices when found as gem-quality materials. Red corundum is ruby, the deep scarlet color deserves a name of its own. The various forms of sapphire come in a myriad of colors, matched only by the insane range of color found in tourmaline. The corundum family of gemstones is rather important. The best samples seem to come from Passaic County, which is where I’d recommend you head if you’re looking to bring home some crystals. Amethyst and quartz, on the other hand, can be found in numerous locations across the state. If you’re looking for citrine the spot you want to hit is Carnelian Creek. It’s hard to understate just how rare the yellow form of quartz is without human heat treatment. Amethyst is more common, with only a couple of locations known to have citrine in the area. It can be found in only a few places, and it turns out that New Jersey is one of them!īoth amethyst and citrine are found in the state. Indeed, somewhere over 90% of the jewelry market’s citrine is usually heat-treated amethyst instead of “natural” citrine. How hot these stones get during formation determines their color at the end of their formation, purple or yellow.Ĭitrine is much rarer than amethyst for the most part. Amethyst and citrine are colored forms of quartz with almost identical chemical structures, both with iron trapped in the lattice. Quartz is the macrocrystalline form of silica, creating elongated points with a hexagonal structure. ![]()
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