Authentic deep green nephrite (jade) sphere. Hiqh-quality polished. Great luster which unfortunately can't be seen on photos.Metal stand is included. Some information about nephrite: Simple nephrite occasionally forms interesting crystal habits and specimens. Crystals can be similar to hornblende, but are always translucent or even transparent. Typically they are prismatic, flattened and elongated. Crystal specimens of nephrite can make very interesting mineral specimens. PHYSICAL CHARACTERISTICS: Color is usually green, white or gray. Luster is vitreous. Transparency: examples are translucent to transparent. Crystal System is monoclinic; 2/m Crystal Habits include the flattened prismatic and elongated crystal with a dome-like termination that is actually a two of the four faces of a prism. Also as a fibrous mass (asbestos) and as a fibrous and very compact mass (nephrite jade). Cleavage: is perfect in two directions at close to 60- and 120-degree angles. Fracture is splintery to uneven. Hardness is 5.5 - 6. Specific Gravity is approximately 2.9 - 3.3 (very slightly above average for translucent minerals). Streak is white. Associated Minerals are quartz, lawsaonite, epidote and glaucophane. Other Characteristics: the compact nephrite variety is extremely tough and is actually stronger than steel. Best Field Indicators are toughness (nephrite jade), fibrosity (asbestos), typical green color, crystal habit and hardness.
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