ZaP gems and jewelry
One of the best sapphire suppliers
14/04/2022
The Mohs scale of hardness (pronounced "moze") is a 1 to-10 qualitative scale characterising scratch and abrasion resistance of minerals (solid, naturally occurring inorganic substances) through the ability of harder material to scratch softer material.
The scale was introduced by German geologist and mineralogist Friedrich Mohs in his Treatise on Mineralogy: Or, The Natural History of the Mineral Kingdom in 1822. It is worth mentioning that the method of comparing hardness by observing which mineral can scratch others have been described by Theophrastus in his treatise On Stones, circa 300 BC.
However, this method was not widely used until Friedrich Mohs selected ten minerals, representing each degree of hardness and assigned numbers to them considering the relative ease or difficulty with which one mineral can be scratched by another. According to the Mohs scale, the hardness of talc is 1, gypsum is 2, calcite is 3, fluorite is 4, apatite is 5, orthoclase is 6, quartz is 7, topaz is 8, corundum is 9, and diamond is at the top of the scale with the hardness of 10 .
13/04/2022
13/04/2022
31/08/2021
5.3 crts blue sapphire (H)
DM for inquiries
18/04/2020
lets bounce back world👌
3.45 crts blue spinal
DM to grab this beauty
Royal blue sapphire - Heated 6.01 crts
DM for inquiries
Natural Unheated ceylon Lavender Sapphire 1.34Cts
A special order of this handsome glossy natural Ceylon royal blue sapphire pair with platinum diamond jewelry
05/10/2019
Life is full of choices!! Chose what makes you happy💜🧡💛💚💙
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