Sinhalite is rare category borate mineral with formula MgAl(BO4). This Orthorhombic Crystal hardness is 6 1⁄2 -…
Danu Group is a Sri Lanka based gemstone company specializing in natural rough and cut gemstones sourced directly from traditional mining regions. Our work connects the origin of each stone with careful selection, skilled craftsmanship, and transparent representation. Every gemstone reflects a journey — from earth to hand — guided by experience, integrity, and respect for nature.
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