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Green Porphyry Blocks

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Green (2)

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China(1)

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About Green Porphyry Blocks : Porphyry is a diversity of igneous rock consisting of large-grained crystal such as quartz and feldspar scattered in a fine-grained groundmass. Porphyry(in Italian stone market called "Porfidi") is widely used in urban landscaping and gardening projects. Stonecontact.com, you can find all kinds of Porphyry blocks and boulders in various sizes at the best prices and directly from the quarry owners.

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Questions & Answers on Green Porphyry Blocks

What is porphyry used for?

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Porphyry is widely used in urban landscaping and gardening projects. It is prized for its great compressive strength and exceptional durability. For this reason it is now most commonly used as a paving stone.

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Where is porphyry mined?

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Porphyries are most commonly found along the west coast of North and South America(US, Chile, Argentina), as well as in the Southwest Pacific, Egypt, Italy, Turkey, Iran, Armenia, India, China.

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Is porphyry a granite? What is difference?

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No, its not. Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone.Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix.Most important differencies:

1. Grains and SizeGranite:Large and Coarse Grained Rock, Opaque Rock. Porphyry: Fine Grained Rock, Opaque Rock.

2. Texture

Granite:Granular, Phaneritic

Porphyry: Porphyritic

3. Maintenance

Granite:More

Porphyry: Less

4. Water Resistant

Granite: More

Porphyry: Less

5. Wind Resistant

Granite: More

Porphyry: Less

6. Acid Resistant

Granite: Less

Porphyry:More

7. Appearance

Granite: Veined or Pebbled

Porphyry: Dull

8. Density(Average)

Granite: 2.65-2.75 g/cm3

Porphyry: 2.5-2.52 g/cm3

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