Description of Biotite: Color:aquarium rocks is named for its deep black to dark brown appearance. This dark color is attributed to the black mica minerals present in it, giving it an overall prominent black hue. Luster: Biotite typically exhibits a metallic luster on its surface, especially when cut and polished, it can reflect some brightness, enhancing its visual appeal. Layered Structure: Biotite is a foliated rock, featuring a layered structure due to the thin sheet-like arrangement of its mica minerals. This layering is often visible on the rock's surface, giving Biotite its distinctive appearance. Hardness: Biotite possesses a relatively high hardness, making it highly durable for applications such as flooring, countertops, and other areas subjected to daily wear and tear. Uses: slate rocks is commonly used in both interior and exterior decoration, including flooring, countertops, fireplaces, granite gravestones, etc. It is also frequently employed in sculpture and decorative stone projects due to its ease of cutting and carving. Geographical Distribution: slate rockis widely distributed around the world, especially in metamorphic rocks. Some renowned sources include Canada, India, Brazil, the United States, and China, among others. In summary, Biotite is known for its dark color, layered structure, and hardness, making it a versatile stone used in various architectural and decorative projects, adding a unique charm to spaces. DIRECTIONS 1these stones possess a natural heat-retaining quality, providing an ideal environment for reptiles or other heat-loving pets. Using aquarium-safe glue, they can be securely bonded together to craft intricate caves, cliffs, and mountain ranges, creating a dynamic and engaging space for fish and plants. Ideal for aquascaping aquariums, terrariums, vivariums, and other pet enclosures, these stones possess a natural ability to retain heat, making them perfect for reptiles or other heat-loving pets. Utilize aquarium-safe glue to securely bond them together, allowing for the creation of captivating caves, cliffs, and mountain ranges suitable for fish and plants. Ease of Maintenance: Compared to some other types of stones,black rocks is relatively easy to maintain. It typically requires only regular cleaning and sealing treatments to preserve its beauty and durability. NATURAL SLATE : aquarium rock Incorporating 100 real slate stone will enhance the beauty and realism of your creations. Unique Appearance: aquarium rocks, known for its deep black mica minerals and layered structure, boasts a distinctive visual appeal. These stones, crafted from natural grey slate, exhibit a darker shade when wet or can be permanently enriched by applying a sealant or clear finish.