Quartz Stone

I am seeking silica-free quartz slabs for custom benchtops.  
Please provide compliance information.

Looking for quartz crystal singing pyramids with 384mm length. Need price breakdown for 1pc, 10pcs and 100pcs order. Prefer sharp ends design as much as possible. Require detailed product photos or design drawings before proceeding. Target price around $50 per unit with maximum 2 months delivery time. Please provide best possible quotation.

We are seeking quartz powder in 325mesh, 500mesh, and 800mesh specifications. Initial requirement is 1kg samples for testing, followed by 25kg validation batches. Bulk procurement will scale to 1T quantities for mass production.  

Delivery must be arranged via air freight from Asia to Spain. Please provide EXW/FOB quotations for 1T orders. Clarify minimum order quantities and lead times for each specification.