Valuable fur is a term used to describe the fur of certain animals that are highly sought after for their luxurious texture and appearance. The term can refer to four different animals: MARTEN (6 letters), otter (5 letters), ERMINE (6 letters), SABLE (5 letters), and miniver (7 letters). MARTEN fur is known for its softness and durability, while otter fur is prized for its water-resistant qualities. ERMINE fur is valued for its white color and silky texture, while SABLE fur is renowned for its dark brown color and glossy sheen. Finally, miniver fur is prized for its unique grayish-white color and long, thick hairs.