মিত্র ও ঘোষ পাবলিশার্স প্রাঃ লিঃ (ভারত) Mostly, purple sand is extracted from several places including Bisnakandi and Bholaganj in Sylhet. Also, pink sand is located in some parts of Mymensingh area. Having said that, the pink sand of Sylhet is of higher top quality compared to the red sand https://www.facebook.com/RoyalCraftbyFarhana