Azurite is a soft, deep blue copper mineral produced by weathering of copper ore deposits. The blue of azurite is exceptionally deep and clear, and for that reason the mineral has tended to be associated since antiquity with the deep blue color of low-humidity desert and winter skies. The modern English name of the mineral reflects this association, since both azurite and azure are derived via Arabic from the Persian lazhward (??????), an area known for its deposits of another deep blue stone, lapis lazuli ("stone of azure"). This particular specimen features patches of azurite embedded in rock, often with occurrences of malachite, which can be produced over time due to softening from surface weathering. The sample is large enough to serve as a paperweight, and makes for a great sample to be passed around in earth science classrooms. Makes a great gift for the mineral collector in your family!
Note: Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar. Price is per each piece. They come in irregular shapes, sizes and weights.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Extra-small nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Recommended for protection against chemical splashes. A must have for every young chemist!
Easily assemble a working alarm motion detector!
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