Careful

Olive crystals grown on the shoulder of a volcano — full of care because of where it stands.

Vesuvianite · The Law of Paradox

Family: Idocrase — calcium aluminium silicate
Hardness: 6–7 on the Mohs scale
Colour: Olive to yellow-green, glassy prisms
Signature: First described on Mount Vesuvius, in rock the eruption altered

The stone read as the word

Vesuvianite forms where limestone is cooked by rising magma — clean crystals produced in the most dangerous place available. Everything about its structure is a careful accommodation of heat.

Careful is care-full: the mind that keeps its footing near something that could take it. Not timid. Attentive on purpose.

What it is carried for

Carried into work where a small error is expensive.
Held to stay attentive where things run hot.