Texture
Vesicular
Aphanitic to Porphyritic
Color
Black, Brown, Dark Grey to Black, Red
Bluish - Grey, Grey, Pink, Yellow
Maintenance
More
More
Durability
Durable
Durable
Water Resistant
✔
✘
✔
✘
Scratch Resistant
✔
✘
✔
✘
Stain Resistant
✔
✘
✔
✘
Wind Resistant
✔
✘
✔
✘
Acid Resistant
✔
✘
✔
✘
Appearance
Glassy and Vesicular
Dull and Soft