Know all about Mugearite and Tephrite properties here. All properties of rocks are important as they define the type of rock and its application. Mugearite and Tephrite belong to Igneous Rocks.Texture of Mugearite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Tephrite is Aphanitic to Porphyritic. Mugearite appears Dull and Soft and Tephrite appears Vesicular. The luster of Mugearite is not available while that of Tephrite is subvitreous to dull. Mugearite is available in black, brown, light to dark grey colors whereas Tephrite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Mugearite are creating artwork and that of Tephrite are production of lime, soil conditioner.