Labradorite: ≥80g; Floral agate: ≥80g; Banded agate: ≥40g. All MIMOSA labradorite stones show labradorescence. Raw crystals are selected by hand to be highly polised with exquisite craftsmanship to gurantee the crystal customers received are no chips and clean. Clearing by water:Place your crystal in a glass or bowl and leave under running water for 20 minutes. Excellent gift enjoyable for you and your loved one.