One (1) Piece Black Biotite Crystal Lingam Energy-Boosting Healing Meditation & Relief Unique Spiritual Gift Witchcraft Gemstone Gift Chakra Balancing Healing Crystal Home Décor Unique Gift Crystal Aura Power Reiki Charged Energy Boosting Crystal Metaphysical Tools For Meditation Awakening Unique Energy Crystal Spiritual Home Gothic Décor Gemstone Gift Yoga Room Manifestation Crystal Supernatural Powers Witchcraft Crystal Crystal Gift Tools Energy Crystal Gift Divine awakening Crystal Grid Healing. Item : Black Biotite Crystal (Black Mica Stone) Gemstone Lingam Crystal Lingam Stone : Black Biotite Crystal (Black Mica Stone) Size : 305MM (30.5CM) (12 Inches) x 165MM (16.5CM) (6.5 Inches) Approx. Weight : 14060 Grams (14.1 Kilograms) Approx. Color : Black, Golden & Yellow Mix Qty : 1 Piece Origin : India Delivery : 5 to 7 Days Approx. (Fast Delivery) This Is Natural Black Biotite Mica Stone Hand Made Lingam From Made In India.Biotite is mostly found in various crystalline igneous rocks like pegmatite,peridotite,gabbro,diorite,and granite.Biotite transforms to clay minerals and is not very resistant to weathering,which is why it can also be found in sandstones and sediments. This mineral is very easy to identify.It has a perfect cleavage with a vitreous luster on the cleavage faces.When Biotite is broken into thin sheets,it’s quite strong and flexible but will break if severely bent.Biotite can be used in different commercial purposes as well.In ground form,it can be used as an extender or filler in paints and as an inert filler in rubber products. This stone will also encourage you to look at different issues intelligently.As a crown chakra stone,Biotite will also assist you in channeling.