HTS Number	Description	Unit of Quantity	General Rate of Duty	Details
2505	Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26:
2505 10	Silica sands and quartz sands:
2505 1010.00	Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron	t	Free	More
2505 1050.00	Other	t	Free	More
2505 9000.00	Other	t	Free	More