Know all about Tachylite and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Tachylite and Hornblendite belong to Igneous Rocks.Texture of Tachylite is Vitreous whereas that of Hornblendite is Banded, Foliated, Massive. Tachylite appears Glassy and Hornblendite appears Foliated. The luster of Tachylite is resinous while that of Hornblendite is vitreous to dull. Tachylite is available in black, dark brown colors whereas Hornblendite is available in black, brown, green, grey colors. The commercial uses of Tachylite are cemetery markers, creating artwork and that of Hornblendite are cemetery markers, commemorative tablets, creating artwork.