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