analysis and reporting on metalliferous ores, gold and PGM, industrial minerals, slags and contaminants.


analysis and reporting on rocks, aggregates, building stone, slate, concrete, render and mortar.

Mundic Property Search

Since 1991, Petrolab has completed thousands of concrete screening tests on properties throughout Cornwall. Search our database and and see if your property is one of those tested.

Sample Preparation

Preparation of petrographic thin sections from samples and specimens of rock, aggregate, concrete and other similar materials.

Why Petrolab?

Mineralogical analysis

  • Identification and quantification of valuable and gangue minerals in ores
  • Automated Mineralogy (Bulk Modal Analysis, Deportment, Detailed Liberation, GSD, Associations, Theoretical Mineral Liberation, Particle Images)
  • Ore characterisation
  • Predicting the behaviour of minerals during ore processing
  • Mineralogical description and quantitative analysis of mill products

Petrographic analysis

  • Examination of concrete, mortar and render to identify degradation factors.
  • Examination of rock, aggregate, building stone and slate.
  • Mundic Screening Tests for building structures suspected of containing ‘mundic’ concrete.

Sample preparation

Petrolab offers a materials preparation service producing petrographic thin sections from samples and specimens of

  • rock
  • aggregate
  • fossil / coral
  • concrete and other similar materials

We operate the first Pelcon Automatic Thin Section Machine in the UK, which produces high quality thin sections.

Our Clients

Petrolab has provided a wide range of services to industry leading clients including:


Latest News

Concrete testing to new Irish Standard I.S. 465:2018

Petrolab has completed its first tests carried out in accordance with this recently published Irish Standard. I.S. 465:2018 is concerned with the assessment, testing and categorisation of damaged buildings made with concrete blocks containing certain deleterious materials (excessive quantities of free muscovite mica or pyrite) in Co. Donegal and Co. Mayo. The problem is similar in many respects to that of ‘mundic’ concrete degradation in the sout-west of England, and the petrographic examination requirements of the new I.S. draw upon those developed for the RICS Mundic Guidance by Petrolab and other petrographers. Petrolab is pleased to be able to apply its considerable 25 years+ experience in examination of ‘mundic’ concrete to look at this new... read more