Garnierite - currently not considered a mineral, but a mixture of nickel ores. According to A.G. Betekhtinu can be considered as a mixture of nepuite layers and talc-like layers. The composition of garnierite is not constant. The physical properties of this mineral are similar to those of another mineral, hallausite. Garnierite rarely forms crystals, usually it is presented in the form of earthy masses, crusts, buds.
You can see garnierite stone for sale and buy it in the Minerals of Russia online store.