Nephrite jade consists of the calcium- and magnesium-rich amphibole mineral actinolite (aggregates of which also make up one form of asbestos).

 
  • 軟玉是由富含鈣和鎂的閃石礦物的陽(yáng)起石組成的,這種陽(yáng)起石聚集體同樣也是石棉的組成成分。
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