Cheap Price Natural Lava Rock Volcanic Stone for Filter/Water Treatment /Garden Paving

• Customization: Available
• Stone Form: Block
• Surface Finishing: Split
• Model NO.: Lava Rock
• Shape: Irregular
• Feature: Wear-resistant
• Color: Black
• Application: Wall
• Size: Size 2-3mm, 3-5mm, 5-7mm, 10-20mm etc
• Thickness: 20mm
• Technics: Flamed
• Certification: CE
• Packaging: Woven Bag
• Name: Natural Sandstone
• Surface Treament: Honed, Sawn, Natural
• Multiclor: Available
• Port of Loading: Xiamen
• Transport Package: Woven Bag
• Specification: all are available
• Trademark: sunlight stone
• Origin: Xiamen China
• HS Code: 25084000
• Production Capacity: 3000 Metric Ton/Per Month

Product Description

Sunlight Stone Supply Cheap Price Natural Lava Rock Volcanic stone for Filter/Water Treatment /Garden Paving.

Keywords: black basalt,basalt tiles,honed basalt,black stone,Basalt stone,Basalto,Volcanic Stone,Lava Stone,Andesite Stone

Lava stone is a natural volcanic rock that is quarried, which contains many kinds of mineral materials, such as silicon, magnesium, nickel,etc.
Lava rock is the output of melted rock from volcanoes that has cooled down. The natural colors range from dark reddish to deep brown and black. Smaller rocks are used for a permanent mulch while larger ones are available as prominent landscaping features.

Volcanic stone has red, black, blue, gray, and so on. The colors vary in weight and the uses vary. It is a gas-rich melt slurry sprayed into the air to condense, the gas contained in it swells and escapes, leaving pores, forming a slag-like appearance, black, dark brown, and the pores are often irregular, round and oblong, and the size It ranges from a few millimeters to 10 centimeters and is distributed around the crater.

1.Shape 

Shape: LAVA with hole;No pointed particle shape, small resistance to water flow, not easily blocked, uniform distribution  of water and air, rough surface

2.Color

Color: Natural Red, black, blue, gray, and so on

3.Chemical composition of volcanic stone:

SiO2	CaO	MgO	Fe2O3	Al2O3	K2O	Na2O	FeO	CL^--	L.O.L
52.54%	8.57%	2.49%	10.00%	17.00%	2.50%	2.93%	1.36%	0.01%	4.95%

Bulk Density      kg/m^3	Loose bulk density    kg/m3	Moisture              %	Heat conductivity coefficient           w/(m.k)	Water absorption       %	Cylinder pressure strength      Mpa	softening coefficient
450-600	540	<1	0.325	21	2.216	0.84

4.use of lava rock:

Application	1) Construction
	2) Water conservancy
	3) Grinding
	4) Filter material
	5) Barbecue charcoal
	6) Garden landscaping,
	7) Soilless culture
	8) Ornamental stone

 

5.Size of Volcanic Stone

Size	3-5mm
	5-10mm
	10-20mm
	20-30mm
	30-40mm
	30-50mm
	50-100mm

 
Contact information as follows:
 
Tel: [phone]
Fax: [phone]
Cell Phone:[phone]
Website:sunlightstone.en.made-in-china.com