{"product_id":"black-lava-volcanic-stone-30-50mm-premium-decorative-stones","title":"Black Lava Volcanic Stone 30-50mm – Premium Decorative Stones","description":"\u003ch2\u003eBlack Lava Volcanic Stone 30–50 mm – Decorative Garden Pebbles\u003c\/h2\u003e\u003cp\u003eBlack Lava Volcanic Stone \u003cstrong\u003e30–50 mm\u003c\/strong\u003e is a natural landscaping stone from \u003cstrong\u003eIndonesia 🇮🇩\u003c\/strong\u003e. The stones are collected from volcanic areas and tumbled to soften the edges and produce a more consistent shape.\u003c\/p\u003e\u003cp\u003eThe black and dark charcoal colour gives planted areas a clean contrast without looking artificial. At \u003cstrong\u003e30–50 mm\u003c\/strong\u003e, the stones are large enough to remain clearly visible around shrubs, grasses and established plants, making them a good choice for borders, planters and larger decorative areas.\u003c\/p\u003e\u003ch3\u003eProperties and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Indonesia 🇮🇩\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Natural volcanic stone\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 30–50 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColour:\u003c\/strong\u003e Black and dark charcoal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Tumbled and rounded\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSurface:\u003c\/strong\u003e Naturally textured and slightly porous\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Matt when dry and darker when wet\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDurability:\u003c\/strong\u003e Suitable for permanent outdoor landscaping\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Easy to keep clean and does not need regular replacement like bark or other organic coverings\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e30–50 mm size\u003c\/strong\u003e is best suited to areas where the stone is intended to remain visible rather than form a fine gravel surface.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eFlower beds:\u003c\/strong\u003e Use around shrubs, grasses and larger plants as a decorative ground covering.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGarden borders:\u003c\/strong\u003e Creates a clear edge between planting and lawns, paving or other landscaped areas.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePlanters:\u003c\/strong\u003e Works well as a top layer in larger pots and outdoor planters.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eAround trees and shrubs:\u003c\/strong\u003e Helps give established planting areas a neat, finished appearance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRock gardens:\u003c\/strong\u003e The dark colour and volcanic texture suit both natural and modern rock garden designs.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDecorative landscaping:\u003c\/strong\u003e Can be used alongside paving, timber, concrete and lighter-coloured stones to create contrast.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsing 30–50 mm Black Lava Stone\u003c\/h3\u003e\u003cp\u003eBecause this is a larger decorative stone, individual pieces remain visible once installed. This makes the \u003cstrong\u003e30–50 mm fraction\u003c\/strong\u003e better suited to larger beds, borders and planters than areas where a fine, compact surface is required.\u003c\/p\u003e\u003cp\u003eFor most landscaping projects, we recommend preparing the ground first and using a suitable landscaping membrane where appropriate. This helps separate the stone from the soil and makes the finished area easier to maintain.\u003c\/p\u003e\u003ch3\u003eColour and Natural Variation\u003c\/h3\u003e\u003cp\u003eBlack Lava Stone is a natural material, so \u003cstrong\u003ecolour, shape, texture and exact stone size will vary\u003c\/strong\u003e. Some pieces may be darker, lighter or more porous than others.\u003c\/p\u003e\u003cp\u003eThe stone normally appears lighter when dry and becomes noticeably darker when wet. Product photographs may therefore show the material in both conditions.\u003c\/p\u003e\u003cp\u003eScreen settings, lighting and natural differences between batches can also affect how the colour appears.\u003c\/p\u003e\u003ch3\u003eCare and Maintenance\u003c\/h3\u003e\u003cp\u003eOutdoor stone will naturally collect dust, soil and organic material over time. Leaves and loose debris can usually be removed with a brush, blower or gentle rinse.\u003c\/p\u003e\u003cp\u003eIf you want additional protection against weathering or discolouration, a suitable \u003cstrong\u003enatural stone sealer\u003c\/strong\u003e can be applied according to the manufacturer's instructions.\u003c\/p\u003e\u003ch3\u003eTransport and Delivery\u003c\/h3\u003e\u003cp\u003eWe deliver decorative stone throughout the UK, from smaller quantities for individual garden projects to pallet quantities for larger landscaping work.\u003c\/p\u003e\u003cp\u003eLarger orders are delivered on pallets and require a \u003cstrong\u003efirm, level surface\u003c\/strong\u003e such as concrete, paving or asphalt so the pallet can be unloaded safely using a pallet truck.\u003c\/p\u003e\u003cp\u003eFor quantities not listed online or larger landscaping projects, please contact us for a quotation.\u003c\/p\u003e","brand":"HeavyStones","offers":[{"title":"1kg","offer_id":53216699089162,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true},{"title":"10kg","offer_id":53216699121930,"sku":null,"price":28.99,"currency_code":"GBP","in_stock":true},{"title":"20kg","offer_id":53216699154698,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/2299\/7002\/files\/black-lava-volcanic-stone-30-50mm.png?v=1781563300","url":"https:\/\/heavystones.co.uk\/products\/black-lava-volcanic-stone-30-50mm-premium-decorative-stones","provider":"HeavyStones","version":"1.0","type":"link"}