crystal aggregate meaning in Hindi

Cyanotrichite forms velvety radial acicular crystal aggregates of extremely fine fibers.
It occurs as blue to blue green tabular orthorhombic crystal aggregates in a secondary alkaline environment altering chalcosite.
The type locality for Robertsite is the Tip Top mine, Custer County, South Dakota, US . Robertsite occurs at the Tip Top Mine as minute crystal aggregates and crusts found on quartz associated with triphylite.