Fantasy Crystal Blue Decorative Glass Block & Slag Glass Rocks

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Product Description

Overview & Basic Info
Model NO.:GS-19
Type:Tinted Glass
Shape:Curve / Irregular
Mohs Hardness:8
Color:Green (Solid Color)
Usage:Window, Building, Gardening & Landscape
Surface:Tumbled / Polished
Salt Spray Test:> 3,000 Hours
Packing:PVC Bags/Tonne Bags/Pallets
Lead Time:7 - 10 Days
Product Description

Decorative Glass Rock Slag/Glass Rocks/Glass Stones Description:

Glass rock slag is a glassy, colorful, industrial byproduct created from smelting ore (often iron) or from manufacturing glass, often found as waste, landscaping rock, or "cullet". It is frequently mistaken for natural obsidian due to its glassy texture, conchoidal fracture, and vibrant colors including blue, green, and purple.

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Application & Characteristics
Origin: It is a byproduct of smelting, where impurities in ore are melted, separated, and cooled.
Appearance: Typically found in large, irregularly shaped chunks with a glossy, bubbly, or glassy surface, ranging from opaque to translucent.
Coloration: Colors result from metallic contaminants. For example, blue/olive green suggests sulfur, while red-orange may indicate selenium.
Usage: Popularly used in rockhounding, lapidary work (jewelry), landscaping, and aquarium decoration.
Distinction: Unlike natural obsidian, slag often contains air bubbles and exhibits intensely vivid colors.
Application 1
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Technical Specifications
Product NameGlass Rock / Slag glass rock/Glass Stones
ColorGreen (Other colors available: White, Black, Blue, Amber, Red)
MaterialClear glass
PackagePP/PE bags, Bulk jumbo bags
CertificateISO9001, SGS
UsagePaving, Garden Landscaping, Tile making, Aquarium decoration
Diameter3-5cm, 7-10cm, 10-15cm, 18-30cm
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Package & Shipping
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About Our Operations

Established in 2020, our professional management team brings over 10 years of industry experience in gardening and specialty materials. We specialize in dealing with Alu Greenhouse, Expanded Clay Pebbles, Vermiculate, Perlite, Pumicestone, Rock Wool, Cobble stone, and high-quality Glass Rocks.

Our production relies on 15 cooperate factories and specialized plants, all maintaining ISO 9001 certification and qualified management systems to ensure high-quality standards for global export.

Frequently Asked Questions
Q1: Is Glass Rock Slag a natural stone? A1: No, it is a byproduct of smelting or glass manufacturing. While it looks like natural obsidian, it is man-made.
Q2: What are the main applications for these rocks? A2: They are widely used for garden landscaping, paving, aquarium decoration, tile making, and interior design projects.
Q3: How do I distinguish it from natural obsidian? A3: Glass slag typically contains tiny air bubbles and comes in colors like vivid blue or green that are rarely seen in natural obsidian.
Q4: Are the colors permanent? A4: Yes, the colors result from metallic elements within the glass structure and will not fade or wash off over time.
Q5: What sizes can I order? A5: We offer several diameter ranges including 3-5cm, 7-10cm, 10-15cm, and 18-30cm to suit different project needs.
Q6: What is the lead time for standard orders? A6: Generally, the delivery time is between 7 to 10 days depending on the quantity and specific requirements.

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