Limeshell Impex

Limeshell Enterprises catalog of industrial, horticultural, and packaging materials. These products fall into distinct categories: soil amendments and filtration media (like vermiculite, perlite, pumice, and activated charcoal), chemical additives (citric acid, gypsum), and specialized wood/packaging products (wooden pallets, crates, and rubwood). 

These items are primarily sourced from specialized building and chemical suppliers based in and around Chennai. [1]

Specific use-cases and details for your items include:

1. Soil Amendments, Horticulture & Filtration

• Vermiculite & Perlite: Volcanic and mineral soil additives used to aerate potting mixes and retain moisture.
• Activated & Wooden Charcoal / Coconut Charcoal: Used for water filtration, terrariums, and as a horticulture additive to absorb toxins and prevent root rot.
• Zeolite Granules: Porous minerals used in water purification, odor control, and as slow-release fertilizers in agriculture.
• Pumice & Cinder: Lightweight, porous volcanic rocks perfect for improving drainage in succulent and bonsai soil mixes. 

2. Chemicals & Powders

• Bleaching Powder: Used extensively for water disinfection and sanitation.
• Citric Acid: A natural preservative and acidifier used in food processing, cosmetics, and cleaning products.
• Gypsum & POP (Plaster of Paris): Calcium sulfate-based products used for construction, casting, agricultural soil conditioning, and mold-making.
• Calcium Carbonate: A vital filler in paints, plastics, and building materials, as well as an agricultural pH buffer. [1, 2, 3, 4, 5]

3. Packaging & Wood Products

• Wooden Pallets, Crates & Runners: Essential industrial shipping materials used for freight handling, warehousing, and logistics.
• Pine Wood & Rubwood: Sustainable, structural hardwoods and softwoods commonly used for furniture manufacturing, pallet construction, and crafting.

Carbonado, commonly known as the black diamond, is an extremely rare and naturally porous polycrystalline diamond. Unlike traditional transparent diamonds, it is an opaque aggregate of millions of microscopic diamond crystals. Primarily found only in alluvial deposits in Brazil and the Central African Republic, it remains one of the most enigmatic stones on Earth. 

Key Characteristics

• Structure: Unlike single-crystal diamonds, carbonado is a polycrystalline aggregate fused by millions of microscopic carbon/graphite crystals. It has a unique, porous, and sponge-like texture rather than smooth, geometric crystal faces. 
• Color & Hardness: It naturally appears dark grey, charcoal, or opaque black. While as hard as regular diamonds, its polycrystalline structure makes it incredibly tough and difficult to cleave. 
• Unique Origins: Unlike gem-quality diamonds that are formed in the Earth's mantle and brought up via kimberlite pipes, no carbonado has ever been found in a kimberlite pipe. Scientific studies suggest they may have extraterrestrial origins, such as from ancient supernova explosions. 

Industrial and Jewelry Use

• Industrial Origins: Originally considered a nuisance by traditional miners, carbonado became highly sought after during the 19th and 20th centuries due to its extreme toughness. It was heavily used as an abrasive and in industrial drilling, with Brazil holding a near-monopoly. 
• Fine Jewelry: Today, unblemished, natural carbonado stones are cut and polished for high-end luxury jewelry, prized for their unique texture and bold, modern aesthetic.