earthstory:PectoliteWhile the usual hue of this mineral is a dull greenish grey or white, occasional
earthstory:PectoliteWhile the usual hue of this mineral is a dull greenish grey or white, occasional localities contain some different colours, including the peachy mauve found in this 9.6 x 5.9 x 2.9 cm specimen from a vug in the basalt trapps of New Jersey. Its habit is usually fibrous, with radial crystal aggregates. It was first discovered in the Italian Alps in 1828, and named from the Greek words for well put together since it resists being powdered. Despite this it ias a fragile mineral and can flake off easily when roughly handled. Keep reading -- source link