1pcs 70g Natural Rough or Polished Rose Quartz Specimen from Madagascar
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Natural rose quartz is opaque to translucent macrocrystalline quartz of pink to rose-red color. It normally occurs in the cores of large pegmatites as solid masses of rose colored quartz whose individual crystals have poorly formed boundaries.
Some rose quartz contains microscopic rutile crystals which are oriented at right angles to the c-axis of the rose quartz in three directions, each 120 degrees apart. When viewed at a specific angle with a source of light a star-effect is visible. This is known as asterism.
The color of rose quartz is still not completely understood. It has been said to be due to a number of different minor impurities present in the rose quartz including titanium, manganese and even colloidal gold. However, recent studies using micro-analytical methods have discovered that the color of massive rose quartz is actually due to microscopic mineral fibers in the rose quartz. X-ray diffraction tests on these microscopic fibers yielded patterns similar to the mineral dumortierite but slightly different, suggesting the possibility of a totally new and as yet unknown fibrous mineral causing the color in massive rose quartz. The rare transparent euhedral crystals of rose quartz owe their coloration to aluminum and phosphorous impurities. Their pink color is photosensitive and can fade in sunlight.
Rose quartz is recognized by its color, transparency, hardness, glassy luster, conchoidal fracture, occurance and general lack of cleavage.