Is porphyry a granite?
Category: Question and Answer
Updated: 2023/11/8
Views: 415 
Likes: 114
Views: 415 Likes: 114
Reference Answer
Porphyry is a type of volcanic igneous rock, which along with granite and other rock formations, make up approximately 95 of the world's “crust.” It is different than granite and is made up of over 70 silica, about 14 alumna, 8 alkali and small percentages of iron, calcium and magnesium.
Keywords: StoneADD Articles
Welcome to Post Your Answer Here
How many colors of Chinese slate tiles are availablePosted Date: 2026/4/25 Visitors: 233 Likes: 69The popular colors of Chinese slate tiles are black slate tiles, grey slate tiles, rusty slate tiles, green slate tiles, purple slate tiles, yellow slate tiles etc. ......
What is smooth stonePosted Date: 2019/10/14 Visitors: 664 Likes: 168Smooth stone is a variant of the Stone block, which has a smoother-looking texture and has a lighter gray colour. ......
What makes Thassos Snow White Marble so differentPosted Date: 2024/4/26 Visitors: 448 Likes: 111Thassos Snow White Marble is the whitest marble in the world! It is a pure white marble with extremely light, crystal-clear color and very high sun reflection. This marble is superior to other materials not only due to its hardness, but also due to its consi ......