The phrase "an unusual array of" is correct and usable in written English.
It can be used to describe a diverse or unexpected collection of items, ideas, or elements in various contexts.
Example: "The exhibition featured an unusual array of contemporary art pieces that challenged traditional norms."
Alternatives: "a unique collection of" or "a diverse selection of".
A series of actions taken by the Department of Justice has raised the hackles of an unusual array of critics.
Godard employs an unusual array of stop-action effects to gaze at his characters with a newfound fascination.
Maybe they're the British as they always were, before an unusual array of factors changed them for a while into something quite peculiar.
Starrett City has gotten an unusual array of subsidies since it opened in 1974, and Mr. Bistricer's proposal would have involved even more.
She was immediately entranced by the space, a vast parallelogram spanning nearly 92,000 square feet and an unusual array of vertical and circular windows.
Most of them, they say, had been dug up from the hill next door, which on close inspection has an unusual array of crumbling stone structures.
For since Google Ventures' founding in 2009, it's taken on board a more unusual array of partners than the average corporate fund, hiring early stage investors, former entrepreneurs and even luring technology journalists.
D'Entremont notes that the first light, consisting of eight 200-watt bulbs, were an unusual array that created a fixed white light source.
In addition, the novel cassette arrays of class 2 integron (Tn 7::In 2- 1) was found in B. cenocepacia strain and an unusual array (sat- sat1- aadA1) in S. enteritidis (Table 3) [ 16].
AMONG auto shows, the Tokyo show is known for its usual, and unusual, array of whimsical, unrestrained, futuristic transportation devices that look more like a preview of the Christmas season's hottest toys.
The unusual array of assets that Lloyds Banking Group acquired when HBOS was rescued during the banking crisis was highlighted on Wednesday when the bailed-out bank sold off 71 private equity related investments for £1bn.
