Preface -- Introduction -- 1. Carbon (Graphene/Graphite) -- Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References --  2. Tungsten -- Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- 3 Rhenium --  Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- 4 Osmium --  Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- 5 Tantalum -- Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- 6 Molybdenum -- 7 Niobium --  Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- 8 Iridium -- Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References -- Index (Physical Properties) -- Index (Chemical Systems) -- Addendum -- Structures -- Thermal Properties -- Electro-Magnetic & Optical Properties -- Physico-Mechanical Properties -- Nuclear Physical Properties -- Chemical Properties -- References.