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Product Overview

Description


  obsidian rock stone for sale 


Product Description


 











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Product Knowledge


 




 Prduct Knowledge 


 


Obsidian is a glassy volcanic rock acidic ingredients and granite fairly. In addition to containing a small amount of phenocrysts, crystalline, almost entirely by glassy composition. Black or dark brown. Dense block, and sometimes see Lithophysa. Clear glass luster, conchoidal fracture. Less water content (<2%), can be distinguished from perlite, pitchstone. Common in acidic volcanic regions. And pitchstone, perlite, pumice together referred to acidic volcanic glass. Obsidian can be used for decorations and crafts materials. Obsidian has an attractive mottled colors can sometimes be used as semi-precious stones.


In addition obsidian have characteristics because the glass, after crushing section was broken shell-shaped mouth, very sharp. Ancient Stone Age has been used as knives, arrows and other cutting tools, obsidian to make use of modern surgical scalpel blades. In addition to the rear obsidian heated at a temperature above 1000 ℃, due to internal moisture contained, it will become white granular, porous texture, but after burning, can be used as a soil conditioner.


Obsidian Obsidian There are many, not only common to the rainbow obsidian (Rainbow Obsidian), black obsidian, obsidian appearance there are many colors too! Like silver sand obsidian, obsidian Sands, is not common to the pink obsidian (Red Mahogany Obsidian), but he is a red-brown color.


 


    Our main minerals, rocks, fossils, semi-precious stones, etc all kinds of specimens as well as a variety of original rock of mineral raw materials, all kinds of stone crafts. Our products are from the original natural stone, so there are little differences between various stone, because nature is not a natural stone is the same.


 



Shipping & Payment


 






Our Services


 




Our service 


1.Reply your inquiry in 24 working hours.



2.Experienced staffs answer all your questions.



3.Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staffs.



4.We pay attention to the process of production, and will check the outlooking and detailed request before packing.


 


5.Check the track number after the delivery, keep contact with customer and care about the feedback and  supply assistance to avoid inconvenience to the clients.


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FAQ


 




 Q&A:(The questions you may like) 


 


1:How long you can fulfill the order normally?


 


We have in stock if there is no OEM or big quantity,


According to your order quantity decide the time of delivery,usually 15 working days.


 


2:What is your minimum order quantity?


 


1 kilogram is available.


 


3:How long the transportation take?


 


The time depends on the delivery method.which depends on the transportation,almost 3-7 working days.


 


4:What is the transportation?


 


Usually We send the goods by air,small order is best to choose international express,such as DHL,FEDEX,EMS,UPS,TNT,Aramex is better for middle east etc.Big orders are suitable for the delivery by sea.


 


5:What is the payment terms and payment method you can accept?


 


30% T/T in advance,Balance payment before delivery.


 


T/T,Western union,Money gram,Master card,Escrow,Paypal,etc.. 


 


6:Where is your company?


 


Our company is located in Xinxiang City,Henan,Province,China,near to Zhengzhou city and yellow river,that is our mother river,we can show you when we meet you from the Zhengzhou airport.(surely, we can drive to meet you when you plan to visit factory, welcome!)


 


7:Can you supply me the samples?


 


Yes, but the samples should be charged,we will return the sample cost after you make the firm order.


 


8:Can you do OEM&ODM for me?


 


Yes, we offer OEM&ODM, we can do special service on the product,may your logo, may the color, may the different design,all is up to you.


 


9:Can you supply other products to me?


 


No problem,Our main products are prepared slides, microscope glass slides,coverslips,heating mantle,microtomes,microscope accessories,biological specimens, teaching models, liquid nitrogen tank,experiment materials etc.


 


10:OK, last one,do you have after-sale service?


 


Sure, we do have, and we do very well during the ordering time,many urgent reply and calling;we can supply 1 year after sale service. And do contact us if you have any question.


 



Company Information


 




 


Xinxiang Vic Science&Educational Co.,Ltd. located in Xinxiang city, Near to Yellow river and Zhengzhou airport.


 


Our main products are microscope slides,prepared microscope slides, plastic and wooden slides box,stone specimen,models,microtome, Liquid nitrogen tank, heating mantle, microscopes and Counting chambers,Syringe Filter and other lab instruments.


 


We have win very good reputation after more than 10 years export experience, we have taken part in many foreign exhibition, such as 2014 Arab Lab.


 


 


 


Profession,Efficient, Active ,this is the unique feature of our working team,Safe and Fast is the Aim of our logistics team.


 



 


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