EntityQ109311989· pop 5· linked from 1 articlesGrape AgateSign in to saveCalcite mineralConnectionssilicon dioxideEntityironEntitygrapeEntitycalciumEntityzincEntitymagnesiumEntitygalliumEntitySulawesiEntitysphereEntitygemstoneEntityquartzEntitychemical formulaEntitybasaltEntityamethystEntityagateEntityMioceneEntityMohs scale of mineral hardnessEntityWest SulawesiEntitychalcedonyEntityandesiteEntityCategoriesChalcedonyQuartz gemstonesQuartz varieties