Bornite [ RELIABLE — FIX ]

: Orthorhombic at normal temperatures, though it often retains its high-temperature isometric (cubic) form, making well-formed crystals rare.

Bornite | Stone Information, Healing Properties, Uses - Rare Earth Gallery bornite

: Valued for its high copper content and ease of reduction to metallic copper. : Orthorhombic at normal temperatures, though it often

: It is studied for its unique phase transitions and electrical properties, as it changes structure from orthorhombic to cubic when heated above 228∘C228 raised to the composed with power cap C Aesthetic and Metaphysical Use : Orthorhombic at normal temperatures