Mineral Sands Benefication Testwork

GeoAssay Mineral Sands Laboratory located in Cikarang has been setup to provide industry standard sample preparation, analysis and mineral identification for mineral sands exploration projects.

The laboratory is provisioned with the necessary equipment to provide mineral sands services as follows:

  • Preparation
  • Separation
  • Identification
  • Analysis


  1. Weighing
  2. Drying
  3. Volume Measurements
  4. Screening
  5. Slime Removal
  6. Pulp Preparation

Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium,
tungsten, rare earth elements, magnetite, the garnet, and, occasionally precious metals or gemstones.


Water and gravity separation of mineral sand samples over a shaking table to obtain CON, MIDS and TAILS products.


Dried mineral sand products are passed through a roll magnet to separate the magnetic minerals from non-magnetic minerals.


Separation of heavy minerals into “floats” and “sinks” using TBE tetrabromoethane at SG 2.89


  1. Mineral identification and description
  2. Grain Counts
  3. Photo Micrographs
  4. Thin Sections-Subcontract


  1. Fire Assay gold determination
  2. Cyanide bottle roll for gold
  3. XRF Fusion analysis for mineral sands package
  4. Digest /ASS for base metal elements
  5. XRAY Diffraction – (Subcontract)

Who We Are

Founded in 1971 to offer services to the mining industry, PT Geoservices (Ltd) evolved into a fully integrated exploration services company. Employing more than 600 people, some of which are expert in specialized fields from a number of foreign countries, the company is offering in mapping surveys, geology, geophysics, downhole measurements, borehole drilling, laboratories analysis, and cargo superintending for quantity and quality.

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Our Location

Officesmall  Jl. Minangkabau Barat No.34 Jakarta Selatan 12970
Phonesmall  (+62 21) 830 5555, 831 8989
Faxsmall  (+62 21) 831 1454
emailsmall  jktbranch@geoservices.co.id

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