March 30 , 2025
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	- Lapis lazuli is a vividly blue rock, sometimes with streaks of gold and used as a semi-precious gemstone.
 
	- It gets its colour from the presence of an unusual mineral called lazurite (25-40%). 
 
	- Its blueness depends on the amount and structure of sulphur in this mineral.
 
	- Lapis lazuli has been found in many countries so far, including Chile, Russia, and the US.
 
	- But the highest quality of rock comes from Afghanistan’s Badakhshan province, where people have been mining it for more than 6,000 years.
 
	- The rock gets its name from two languages: lapis is the Latin for ‘stone’ whereas ‘lazuli’ comes from the Persian word lazhward, meaning ‘blue’.
 

                                 
                            
                                
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