2.3" 320g Sparkling Ruby Spinel/Balas Ruby Sphere Polished Natural Gemstone Crystal Mineral Collectible Dcor Ball - India + Stand

Description

• You will receive exactly this Ruby Spinel Sphere - 59mm / 2 5/16 Inches Diameter; 320g / 11.3 oz (see photo, the photos are taken under bright light, stand included)!
• Spinel is a much maligned gem mineral that is often thought of as a corundum simulant because in red and blue varieties it can closely resemble ruby or sapphire. Many of the worlds most famous large "rubies" are, in fact, red spinel (e.g. Black Princes' Ruby and Timur Ruby, both in British Crown Jewels). Such stones were once referred to as Balas Ruby, a term that is not used today but is synonymous with red spinel.
• Spinel, like garnet and tourmaline, is a mineral name that refers to a group of minerals all having the same crystal structure. Members within the group differ by containing varying amounts of Fe, Cr, Zn, Mn and Ni that substitute for Mg and Al in the crystal lattice. Probably the most familiar minerals that have the spinel crystal structure are the ore minerals magnetite and chromite, neither of which is a gem material.
• Spinel is an oxide mineral with a composition of MgAl2O4. It is very hard (7.5 to 8 on the Mohs Hardness Scale) and is often found in octahedral crystals. Gem spinel is usually quite close in composition to Mg, Al spinel but contains small amounts of Fe, Zn, and Cr that act as chromophores and account for the wide range of possible colors. Red and pink spinel is colored by trace quantities of Cr; blue, violet, orange and green by Fe. Zn, Cr.
• (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)

All our minerals and crystals are carefully measured with digital measuring instruments that provide the high accuracy of numbers/values!

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