水钙铝榴石 (Hydrogro-ssular)的折射率是() A: 1.659~1.680 (+0.004,-0.006) B: 1.46~1.570 点测1.50 C: 1.666~1.680 (±0.008) 点测常为 1.65~1.67 D: 1.720 (+0.010,-0.050)
水钙铝榴石 (Hydrogro-ssular)的折射率是() A: 1.659~1.680 (+0.004,-0.006) B: 1.46~1.570 点测1.50 C: 1.666~1.680 (±0.008) 点测常为 1.65~1.67 D: 1.720 (+0.010,-0.050)
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