Rare Mineral Mansfieldite normally formed small white crystals or rounded aggregates. However, this specimen appeared to be pink. The color is given by the impurity of Cobalt in the specimen.

• 罕见矿物砷铝石；一般为白色细小的晶体；或者是团块状.；此标本为粉红色的是因为内含微量的钴