Final answer:
Porcelain's most aesthetic feature is its translucency, while its weakest attribute is durability, especially when compared to materials like aluminosilicate glass which are more resistant but harder to shape.
Step-by-step explanation:
The most aesthetic feature of porcelain is its translucency, which gives it a delicate and refined appearance, often associated with high quality and beauty in ceramic art. This quality was achieved in China starting in the 8th century CE and improved over time with better clay compositions and firing techniques. On the other hand, the weakest feature of porcelain could be seen in its durability when compared to other materials like aluminosilicate glass, which has superior thermal resistance and durability but is more difficult to mold and shape. While porcelain is hard and resistant to stains, its fine and brittle nature makes it less durable in terms of impact resistance.