The phrase "a tiny bead of" is correct and usable in written English.
It can be used to describe a small, round droplet or particle of a substance, often in a descriptive context.
Example: "She noticed a tiny bead of sweat forming on her forehead as she stepped into the heat."
Alternatives: "a small droplet of" or "a minuscule particle of".
He found a tiny bead of blood, with several fibres running through it.
It was as if someone had taken a tiny bead of pure life and decking it as lightly as possible with down and feathers, had set it dancing and zig-zagging to show us the true nature of life...
Use a tiny bead of caulk, smoothing it out well.
There are large juicy shrimp bathed in an orange and Cognac sauce ($16.95) and laid on a bed of fregola, tiny beads of pasta moistened with rich shellfish juices.
In the 1950s, tiny beads of a lead-antimony alloy were used to dope the emitters and collectors of n-p-n alloy junction transistors with antimony.
In order to observe these effects, researchers dripped tiny beads of water on a plate kept at a chilly -20°C.
The company's secret is a layered design that uses thousands of tiny beads of extremely absorbent carbon, which trap lethal chemical substances but allow air to circulate around the body.
For offal lovers, there is mattamene, a rich stew of lamb kidney and sweetbreads; pistizzone are tiny beads of pasta with locally-grown saffron and braised mutton; succulent wild boar is slow-cooked with olives, while the desserts are to-die-for, especially a mix of fresh fig, creamy goat's cheese and a deep-fried honey-glazed ricotta ravioli.
The "necklaces" are tiny: beads of animal teeth, shells, and ivory no more than a centimeter long.
Tiny beads of blood appeared, at first separate, then joining to form a string.
His cheeks became flushed and tiny beads of sweat gathered on the bridge of his nose.
