Matches in DBpedia 2015-10 for { ?s ?p "Danburite is a calcium boron silicate mineral with a chemical formula of CaB2(SiO4)2.It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0. The mineral has an orthorhombic crystal form. It is usually colourless, like quartz, but can also be either pale yellow or yellowish-brown."@en }
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- Danburite comment "Danburite is a calcium boron silicate mineral with a chemical formula of CaB2(SiO4)2.It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0. The mineral has an orthorhombic crystal form. It is usually colourless, like quartz, but can also be either pale yellow or yellowish-brown.".