Mineral Specimen #6990 Howeite
Laytonville quarry, Mendocino Co., California
Type Location
12.4 x 12.2 x 5.5 cm
4.9 x 4.8 x 2.2 in
Sold
Ex. Steve Pullman
Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10
The specimen is composed of a mass of black radiating bladed crystals of Howeite which have a high luster. The crystal sprays are well developed in layers.
Condition: Composed of massive material.
Flaws: Essentially massive material.
This mineral is also found in the following galleries: Minerals From California and Nevada | Inosilicates | Rare Minerals | Minerals Priced Between 50 and 99 Dollars
