也曾见过一些管状化石,非脆即残,非残即单,本例管状玛瑙集质坚、皮润、丰茂等优势为一体,而成为同类中的拔萃者。这是新近从印尼引进的新石种,这类石种不仅能激发爱好者探究自然科学的欲望,更因为其形、质的赏心悦目,引起人们对美的欣赏、共鸣和联想。 Have also seen some tubular fossils, non-brittle that is residual, non-residual that is single, this case tubular onyx sets Kennedy, Pi Run, Feng Mao and other advantages as a whole, and become the best of their kind. This is a new kind of stone recently introduced from Indonesia. Such kinds of stone not only inspire lovers to explore the natural science desires, but also attract people’s appreciation, sympathy and association with the United States for their pleasing appearance and quality.