Just 18.00 for 1 pound lots of Quartz Point specimens The quartz point lots are from 1/2 x 1 x2 to 3 inch in size and are high grad with point on each. all top grade stones aprox 4 to 6 points per lot http://www.tommysrocks.com/QUARTZ_POINTS/cat50403_405750.aspx We sell rough and cut gemstones, offering a wide range of rough gemstones for specimen-cabbing-facet and beautiful cut stones ready for your mount..Either for a new piece of jewelry or replacing a stone in an existing piece of jewelry.We offer thousands of lots, all with individual photos, what you see in the photo is what you will receive. Tommysrocks, an internet only business since 2002, giving our internet customers 100% of our attention. Mohs hardness: 7 Refractive index: 1.544-1.553 Critical angle: 40° Specific gravity: 2.63-2.65 Cleavage: None Fracture: Conchoidal, brittle. Dispersion: Medium (.013) Heat sensitivity: Low Pleochroism: Amethyst: very weak (purple to grayish purple); Natural citrine: weak (yellow to light-yellow); Prasiolite: very weak (light-green to paler green); Rock crystal: colorless, no dichroism; Rose quartz: weak (pink to paler pink); Natural dark smoky: definite (brown to reddish-brown). Birefringence (double refraction): Weak (.009) http://www.tommysrocks.com/QUARTZ_POINTS/cat50403_405750.aspx Crystal structure: Hexagonal Treatments: Oro Verde, lemon citrine, smoketrine and most dark gray smoky quartz without any brown tones are all irradiated. Citrines are often heat treated to improve color and give a reddish tint. Most citrine is amethyst that has been heat treated. Some smoky can be heated to create citrine. Prasiolite is heat treated amethyst and citrine from one locality. Cutting: Quartz cuts easily. Pre-polishing with 1200 Nubond or 3000 standard lap will make polishing much quicker and more enjoyable. Polishing: Cerium oxide on most common polishing laps. General Gemstone Details Quartz is a power stone, and has been called as well as considered world wide as the "Universal Crystal". It is the most recognized type of crystal, and what many people envision when the thought of "crystal" comes to mind. In fact there are many different types of Quartz, in quite a variety of colors. "Rock Crystal" Encompasses a large family of stones and crystals, all of which are made up primarily of silicon dioxide, one of the most common and most important substances in the world. Crystals of pure Quartz, generally six-sided, can be found in all shades and colors. Quartz crystals grow singularly or in groups and take on different shapes according to the temperature at the time of their formation. Quartz crystals can also contain other minerals "frozen" within, as in Rutilated Quartz. Quartz can be formed of microscopic crystals and take on entirely different appearances and qualities. Quartz can be a bit of a confusing stone, as it encompasses a great many varieties that often are thought to be gemstones on their own, but are in fact another type of quartz. As well, within the quartz family there are other stones, which have their own little "families" as well. Here is a breakdown of the most common quartz varieties: Scientific Properties: Mohs Hardness of 7 with a trigonal crystal structure. The name "quartz" comes from the Greek derivative krustallos, meaning ice, as it was thought that quartz was actually ice formed by the Gods. Since the Middle Ages, crystal balls made of rock crystal have been used to predict the future. Mystical Properties: Visual clarity normally isn't as important to a quartz crystal's energetic quality and ability to amplify subtle energies around it. Quartz enhances energy by absorbing, storing, balancing, amplifying, focusing and transmitting the energy...it channels universal energy as well, and is quite successful for energizing other crystals. Quartz crystals can raise energy to the highest possible level, it enhances thoughts, as they are a form of energy, and it is extremely beneficial for manifesting, healing, meditation, protection and channeling. Containing every possible color, Clear Quartz works on all levels of the being. Storing information like a natural computer, these crystal are like a spiritual library waiting to be accessed. It is also quite beneficial for storing and retrieving information of all types, being that information has it's own energy pattern as well. This makes the quartz invaluable for programming. Paired with it's ability to balance this is an excellent stone for harmonizing and balancing one's immediate environment, and even personal relationships. Quartz has the ability to dissolve karmic seeds, holding a quartz crystal in your hand, actual doubles your bio magnetic field. It generates electro magnetism and dispels static electricity. http://www.tommysrocks.com/QUARTZ_POINTS/cat50403_405750.aspx |
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