মিত্র ও ঘোষ পাবলিশার্স প্রাঃ লিঃ (ভারত) Predominantly, crimson sand is extracted from a number of spots such as Bisnakandi and Bholaganj in Sylhet. Also, pink sand is present in some regions of Mymensingh region. Even so, the purple sand of Sylhet is of better top quality than the crimson https://www.facebook.com/RoyalCraftbyFarhana