White Dust

A regional term for any powder that is a drug or serves as a vehicle for an illicit drug—e.g., amphetamine, cocaine, heroin, LSD
References in classic literature ?
they know well how to grind corn small, and make white dust out of it.
Twice or thrice, for example, during the sunny hours of the day, a water-cart went along by the Pyncheon House, leaving a broad wake of moistened earth, instead of the white dust that had risen at a lady's lightest footfall; it was like a summer shower, which the city authorities had caught and tamed, and compelled it into the commonest routine of their convenience.
The clouds of white dust that blew up the street, the gusts of hot wind that withered his vegetable garden, never disturbed his calm.
As soon as they had approached within a distance of perhaps thirty yards they halted, and bowing on knees and elbows began flinging the white dust upon their heads.
As Hewet had no knowledge of music, Rachel took his stick and drew figures in the thin white dust to explain how Bach wrote his fugues.
Pictures and videos captured Thursday's incident, showing huge plumes of white dust surging through the valley floor below.
During the attack on Gweyr and Makhmur, the ISIL launched around 50 mortar rounds, 37 of them released white dust and black liquid when they exploded," it said in reference to an attack that took place on August 11.
One produced the large white dust clouds after each Tower collapsed, whereas the other produced the melted metal observed in the rubble for many days after 9/11.
Last week Phil Taylor from Kent asked why his acanthus, which was under a red robin, kept developing powdery white dust on its leaves.
His eyes stared wide in apparent shock from a face streaked with blood and white dust.
breath, was the frayed scarf of it, the shivering white dust of it,
Sticky toffee pudding was a little better, though it, like eve rything else, had been smothered with white dust, as if a 10yearold had been let loose with the icing sugar.