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Brand Name : Vic Science
Model Number : VIC-SJ
Certification : CE
Place of Origin : Henan,China
MOQ : 1 Piece
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 5000 Piece per Month
Delivery Time : 7-15 works day
Packaging Details : Carton
Product name : Nature rock crystal quartz stone
Categories : Specimen
Application : Medical school bilological class,medical promotion gift
Material : Natural mineral
Color : Nature Color
Usage : Primary school/middle school/college/universities
Professional Experience : 10+ Export experience
Package : Safe export packaging and short delivery time
Nature rock crystal quartz stone
Crystal (Quartz Crystal) is a colorless and transparent quartz crystal minerals large. Its main chemical ingredient is silica. Chemical formula SiO2. Crystal colorless, purple, yellow, green and smoked like. Shiny glass. Transparent to translucent. Hardness 7. Brittle. No cleavage. Crystal Density: 2.56-2.66 g / cc.
Crystal is a substance with ordinary sand "with a womb," the. When the time is perfect crystalline silica crystal; after dehydration is agate gelled silica; colloidal silica water after solidification become opal; silica grains at less than a few microns, on the formation of chalcedony, flint, secondary quartzite.
Pure colorless and transparent quartz crystal is a variant.
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.
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High Performance Rock Specimens Nature Rock Crystal Quartz Stone Images |