Know all about Hawaiite and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Hawaiite and Dacite belong to Igneous Rocks.Texture of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Dacite is Aphanitic to Porphyritic. Hawaiite appears Dull and Soft and Dacite appears Vesicular. The luster of Hawaiite is not available while that of Dacite is subvitreous to dull. Hawaiite is available in black, brown, light to dark grey colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Hawaiite are creating artwork, sea defence and that of Dacite are commemorative tablets, creating artwork.