Model Number:Yunxwdok8ape2wzq Product Dimensions:10 x 6 x 3 cm; 110 Grams Item Weight:110 g Descriptions:The electrical stone is also called tomalin, "tourmaline", the chemical composition is complex, it is a kind of silicate mineral containing boron, including aluminum, sodium, iron, magnesium and lithium. this stone is made of natural tourmaline rough rock, irregular shape is a perfect craft decoration. You can use it to decorate hydroponic plant and fish tank,and can used for purifying water, for sauna, for Buddha, for feng shui, raising flowers and grass, etc Features:This stone is made of natural tourmaline rough rock, irregular shape is a perfect craft decoration. An ideal decoration for hydroponic plant : you can place it in potted plants, make the pot unique.Used in fish tank : place it in the tank, not only enjoyable, but also to maintain water quality magnetization clean, let the fish healthy growth.Good jewelry making material, you can DIY necklace or bracelet or ring you like by polishing the stone.Will be a good healing stone for meditation.The magnetic field of the black tourmaline also protects against the symptoms of modern social electromagnetic waves, such as restlessness and sleeplessness, while helping to immunize the wearer against harmful radiation. Specifications:Material: natural tourmaline stoneColor: blackShape:as the pictureLength: 5-7cm/1.96-2.75inchWeight: approx.100g Package Included:1 pcs x tourmaline stone Note:1. The total weight error is 10g2. Natural mineral product, different sizes, colors and patterns are natural phenomena, and each product can't be exactly the same! 100% natural stones: we only use natural stones. The raw stones are untreated - neither tumbled, ground or oiled - the full power of nature! Carefully selected: all gemstones are hand-picked, sterilised and largely free from foreign stone. These water gemstones are subject to constant control. Said effect: use the unique effect of the crystals and transform your tap water into powerful and invigorating drinking water - with spring water quality! DIY Ideas: Good jewelry making material, you can DIY necklace or bracelet or ring you like by polishing the stone Versatile: our crystals can be used for drinking water treatment, as minerals for your indoor fountain, as energy stones or as decorative stones for decoration in your bathroom. Carefully selected DIY Ideas Versatile