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