Expertise beneath the surface.

An independent read of a gemstone mining opportunity: the geology, the workings, the data and the assumptions behind it.

Advising mining companies, mine owners and investors on gemstone mining projects. An evaluation looks past the headline stones to the questions that decide an outcome: how the deposit formed, how consistently it may carry gem material, how it is being worked and whether the information supplied supports the expectations placed on it.

Scope may include

• Review of available geological and production information
• Site and working-method observations
• Gemstone quality and consistency considerations
• Clear findings on risks and open questions

Understanding a deposit as a geological system: host rock, structure, source and the controls on where gem material occurs.

Gemstone deposits are notoriously irregular. Assessment focuses on the geological controls behind the occurrence: primary host rocks such as pegmatites, marbles and basalts, or secondary gravels where stones have been weathered, transported and concentrated.

Scope may include

• Deposit type and genesis
• Primary versus secondary (alluvial / eluvial) settings
• Structural and lithological controls
• Sampling considerations for gem-bearing ground

Guidance on where to look, what to look for and how to read early signals in gemstone exploration.

Exploration for coloured gemstones rewards patience and geological reasoning. Advisory work supports the planning and interpretation of exploration: target selection, field indicators, pitting and trenching strategy, and the interpretation of results.

Scope may include

• Target reasoning and field indicators
• Exploration planning and phasing
• Interpretation of pitting, trenching and sampling
• Recommendations for next-stage work

Identification and assessment of rough and cut stones: species, characteristics, treatments and quality factors.

Gemology connects the stone in the hand to the geology that produced it. Evaluation covers identification, the observation of inclusions and optical properties, the distinction between natural, treated and synthetic material, and the factors that influence quality and value.

Scope may include

• Species and variety identification
• Natural, treated and synthetic distinctions
• Colour, clarity and cut observations
• Rough material assessment

Practical input as a gemstone project moves from exploration toward organised, responsible production.

Development is where geological understanding meets operational reality. Consulting support addresses how gem-bearing ground might be worked, how recovery can protect fragile material, and how a project can be planned in sensible, evidence-led stages.

Scope may include

• Staged development thinking
• Working and recovery considerations
• Protecting gem quality through extraction and processing
• Planning and prioritisation

Focused research into gemstone varieties, occurrences, geological origin and market-relevant characteristics.

Some questions need research before they need fieldwork. Research and analysis draws on gemological and geological literature and observation to clarify a variety, a producing region, a treatment question or the characteristics of a material.

Scope may include

• Variety and occurrence research
• Geological origin context
• Treatment and enhancement questions
• Written technical summaries