'astounding wealth' is correct and usable in written English.
You can use it to describe a large amount of money, or a great abundance of resources. Example: She had amassed an astounding wealth of knowledge about the subject over the years.
It was Mr. Studer's first peek at the astounding wealth stuffed inside the Geneva Freeport, as this warehouse complex is known.
His worth is estimated at $675 million — Russian oligarch money, astounding wealth in a country where about 40 percent of the population survives on less than $2 a day.
It's plagued by all manner of 21st-century urban maladies: clogged streets, packed public transit, an astounding wealth gap and the occasional "Airpocalypse".
The city represents a might-have-been Bolivia: a country that had capitalized on its astounding mineral wealth to become a major industrial power.
Consider: More than a dozen new billionaires have emerged in Japan during the past year, an astounding creation of wealth, especially for an economy just now shedding recession.
Consider: More than a dozen new billionaires have emerged in Japan during the past year, an astounding creation of wealth, especially for an economy that's struggling to emerge from recession.
It has raised local, national, and world consciousness about vast discontent, about failing national and global economic systems, and about the astounding gap in wealth, effectiveness, and life chances between the 1 Percent and the 99 Percent.
What voters of every racial or ethnic group should understand is that the Clinton gift--worth billions to the banking industry--robbed all working Americans of the opportunity to improve their lot, as shown by the astounding growth in wealth inequality since the Clinton presidency.
He has, it is true, much to apologize for: charm, wit, inventiveness, enthusiasm, generosity, an encyclopaedically well-stocked mind, astounding good luck, considerable wealth.
This astounding rise in the wealth and purchasing power of Chinese citizens created a de novo middle class of investors almost overnight.
The value of the real estate assets of American households fell from a peak of $22.7 trillion in 2006 to $16.6 trillion in 2010, destroying an astounding $6.1 trillion of household wealth.
