Stones and wood

Manten stone
Blue-black stone laced with thin white veins, a sharp and dramatic focal rock.
What the simulation uses
- Holds water
- 1 % by volume
- Water it keeps after draining; the rest runs down to the drainage.
- Pore space
- 2 % by volume
- Room for air and water between grains; low means roots suffocate when wet.
- Weight
- 2600 g/L
- How heavy a litre is.
- pH
- 7 to 7.5 pH
- How acid it keeps the soil.
Description
Blue-black stone laced with thin white veins, a sharp and dramatic focal rock. It is dense, holds almost no water and stays near neutral.
Also called manten rock.
Estimated, where sources were thin: look authored for the app; physical values estimated.