stalker
The subject of this article appears in S.T.A.L.K.E.R. 2: Heart of Chornobyl.

An uncommon artifact found in thermal anomalies. The stone flecks within the artifact seem to possess a gravitational field of their own.

In-game description

The Magma is an uncommon thermal artifact in S.T.A.L.K.E.R. 2: Heart of Chornobyl.

Description

An uncommon artifact found in thermal anomalies. The stone flecks within the artifact seem to possess a gravitational field of their own.

Acquisition

Thermal/Random Anomalies:

Psi-Pond NE of DUGA

Helicopter Base - Burnt Forest

Cooling Towers SW of Comms Center - DUGA