Commodity Code


star this property definition Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. more like this
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01.03.36 more like this
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star this property source more like this
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star this property broader gemstones
star this property narrower tourmaline
star this property in scheme commodity code
star this property is primary topic of tourmaline& properties=type,notation