All orders require completion of the Grindstone Laboratory Order Form which allows you to itemize each sample. Itemizing each sample is critical to accurate processing. Please email the order form (or include a printed copy with your sample submission) with any special instructions to info@grindstonelab.com. See our FAQ page for shipping details.

Starting Jan. 1st, 2025, we will be moving to a prepayment billing system. Exceptions: Purchase Orders at NET30

Thank you for your business!

Price Sheet – 2025Download
Order Form – 2025Download

Special Prep

  • Soils $10
  • Micro-Grain Mounts $15
  • Cut Bulk Sample To Size $10
  • Special Prep (water/heat sensitive, friable, fibrous, orientation) $5

Format

  • Standard 27mm x 46mm (Borosilicate) BASE PRICE $20
  • Standard 27mm x 46mm (Quartz) BASE PRICE $45
  • Large 2″ x 3″ (Borosilicate) BASE PRICE $60
  • 1″ Round (Borosilicate) BASE PRICE $18
  • Slab – Standard 27mm x 46mm BASE PRICE $35
  • Slab – Large 2″ x 3″ BASE PRICE $70
  • Slab – 1″ Round BASE PRICE $25

Embedding Dye

  • Add UV Dye $5
  • Epoxy Dye (blue, red, yellow) $5

Thickness

  • Standard (30 microns) $0
  • Non-Standard (thinner or thicker) $3

Mount

  • Standard (Loctite) $0
  • Non-Standard (removable – Cyanoacrylate OR Crystalbond) $10

Staining

  • Calcite (Alizarin Red) $5
  • Potassium Feldspar (Sodium Cobaltinitrite) $5
  • Plagiociase Feldspar (Barlum Chloride & Potassium Rhodizonate) $5
  • Potassium Feldspar & Plagiociase Feldspar $10

Finish

  • Uncovered $0
  • Coverslip $2
  • Single-Side Polish (standard) $25
  • Single-Side Polish (2″x3″) $50
  • Single-Side Polish (1″ Round) $15
  • Double-Side Polish (standard) $70
  • Double-Side Polish (2″x3″) $100
  • Double-Side Polish (1″ Round) $30
  • EBSD Polish $45

Return Shipping

  • USPS Priority (2-4 days) $25
  • FedEx Overnight $80

Turnaround Times

  • 8 weeks (standard – n/c)
  • 4 weeks (total + 100%)