Tuff
A variety of Igneous
What is Tuff?
Tuff is a soft type of rock that is primarily made of volcanic ash. Being relatively common and easy to carve, it has been used as a construction material since ancient times – tuff can be found across many Roman ruins and walls, and it was also the stone from which the famous Moai statues of Rapa Nui (Easter Island) were carved.
Uses & Applications
Tuff has been used for centuries in building materials to construct walls and flooring, and it is has been used to create small artifacts and figurines. It is very durable as well, making it a popular choice for outdoor construction materials, including garden and paving stones.
Discover Values
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tuff before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Tuff Localities Map
See where Tuff is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Gray, brown, red, black, etc.
- Density
- 1.5 - 3.3 g/cm³
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Tuff FAQs
How do I identify Tuff?
Tuff can be identified by its Gray color. Look for these key characteristics when examining specimens.
What color is Tuff?
Tuff typically appears in Gray, brown, red, black, etc.. Color can vary depending on impurities and formation conditions.
