PHOENIX -- A Scottsdale Starbucks reopened Thursday after authorities determined that the white powder an employee found inside a roll of coins was not toxic.

According to police spokesman Sgt. Mark Clark, the evacuation of the coffee shop at 32421 N. Scottsdale Road was a precaution until hazmat crews determined what the substance was.

The substance was not harmful, but it will be taken to a state lab for further investigation.

"It was a sufficient quantity where the employee was suspicious," Clark said. "But there is no indication that this was an intentional threat of any kind."

No injuries were reported.

Scottsdale Fire spokeswoman Tiffani Nichols said none of the three employees who were exposed to the powder showed any symptoms of illness.