Muon radiative energy loss (in 1.0E06 cm^2/g) in gadolinium silicate (Gd%2#SiO%5#) with Z/A = 0.43069 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 1.2894 0.4322 0.3935 2.1151 5. 1.7803 1.4085 0.4194 3.6083 10. 2.1804 2.1686 0.4101 4.7591 20. 2.5915 2.8962 0.3907 5.8784 50. 3.1310 3.9878 0.3770 7.4958 100. 3.5164 4.7156 0.3686 8.6005 200. 3.8701 5.3646 0.3646 9.5994 500. 4.2699 5.9682 0.3645 10.6026 1000. 4.5127 6.2917 0.3703 11.1747 2000. 4.7032 6.5254 0.3795 11.6081 5000. 4.8817 6.7218 0.3964 11.9999 10000. 4.9708 6.8130 0.4132 12.1971 20000. 5.0305 6.8722 0.4330 12.3357 50000. 5.0798 6.9169 0.4638 12.4605 100000. 5.1021 6.9354 0.4900 12.5276