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3.0A gemstone facts guide for mineral education, jewellery design and crafts hobby. Assist the design and sourcing process of jewellery business owners and makers. Product Features - Quick access to detailed information of 140+ gemstones and minerals (physical properties, crystal structure, composition, origins, common faceting styles, etc.) - Find gemstone by a. searching its common name or mineral group b. sorting by color, hardness, specific gravity, refractive properties (dr, ri) - Compare gemstones by their physical properties - Create your own favourite or frequently-used gem list. - Terminology explanation for beginners - More features are under design and development. Your feedbacks are most welcomed.
