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Olivine

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Olivine

Olivine is one of the most common minerals in the earth, and is a major rock forming mineral. Despite this, good specimens and large crystals are uncommon and sought after. Only few localities yield large examples of this mineral, although small and microscopic grains are found worldwide. Olivine is also found in meteorites, and large grains have been reported in many of them. Olivine is not scientifically classified by the IMA as an individual mineral species, but is rather recognized as a mineral group with the Forsterite and Fayalite end members. Fayalite and Forsterite create a solid solution series, and most specimens identified as Olivine fall somewhere in between this series, almost always leaning more towards Forsterite with a greater content of magnesium. Pure Forsterite is uncommon, and pure Fayalite is very rare.

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MAXWORTH MINERALS INDIA PVT LTD

QUALITY CERTIFICATE

Certificate No MAX/MT/QC/001/17-18 Dated 06.02.2018
Grade OLIVINE GRAINS Product Name OLIVINE
  Sample Qty 500 gms
We hereby certify that these are our Lab Analysis results for the Olivine Grains shipped for the sample Dtd: 06.02.2018.
Chemical Analysis Sieve Analysis Report
Elements % MM ASTM Actual (%) Cumu (%)
Si02 40.58 1.400 +14 5.50 5.50
Al203 1.18 0.850 +20 5.35 10.85
Fe2 03 8.90 0.600 +30 71.20 82.05
MgO 46.70 0.425 +40 14.65 96.70
Loi 1.05 PAN 3.30 100
Mineral Composition Physical Analysis
Mineral % by Weight Test Result
Olivine 99.00 Conductivity 98 μs/cm at 25.5oC
Others 1.00 Chloride 20 ppm
Hardness 7.5 Moh Scale
Moisture 0.10%
Density 1.75 gm/cm3
Sample taken and sieve analysis under Reference of ISO 11127-2 Conductivity and moisture Analyzed by Meter
Chemical analysis has been determined by Wet analysis method Chloride content Analyze by Spectro Photometer. These results relate to the sample tested. Chloride content Analyze by Spectro Photometer
This certificate shall not be reproduced except in full, without written approval of the laboratory

 

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MAXWORTH MINERALS INDIA PVT LTD

QUALITY CERTIFICATE

US MESH 500 – 850 MICRONS (WASHED) #Mesh 20/40 500 – 850 MICRONS #Mesh 20/40 500 – 850 MICRONS #Mesh 30/60 80 MESH (#50/80) 80 MESH (WASHED) (#120)
#20 0.00 0.00 0.00 0.00 0.00
#30 22.84 20.38 3.93 0.00 0.00
#40 76.33 78.62 44.74 0.00 0.00
#50 0.73 0.86 38.89 1.66 0.54
#60 0.10 0.14 8.58 36.83 1.30
#70 0.00 0.00 2.28 31.04 1.26
#80 1.58 4.60 0.85
#100 14.08 25.20
#120 10.25 49.63
#140 1.54 15.68
#170 0.00 5.54
PAN
TOTAL 100.00 100.00 100.00 100.00 100.00
CONDUCTIVITY 56 μs/ cmtrs 72 μs/ cmtrs 68 μs/ cmtrs 106 μs/ cmtrs 158 μs/ cmtrs
TDS 31 pmm 40 pmm 38 pmm 58 pmm 87 pmm
CHLORIDE 15 pmm 18 pmm 21 pmm 30 pmm 42 pmm
Sample taken and sieve analysis under Reference of ISO 11127-2 Conductivity and moisture Analyzed by Meter
Chemical analysis have been determined by Wet analysis method Chloride content Analyze by Spectro Photometer
This results relates to the sample tested.
This certificate shall not be reproduced except in full, without written approval of the laboratory

 

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OLIVINE APPLICATIONS

  • Olivine is a mineral that is not often used in industry. Most olivine is used in metallurgical processes as a slag conditioner. High-magnesium olivine (forsterite) is added to blast furnaces to remove impurities from steel and to form a slag. Olivine has also been used as a refractory material.
  • The aluminium foundry industry uses olivine sand to cast objects in aluminium. Olivine sand requires less water than silica sands while still holding the mold together during handling and pouring of the metal. Less water means less gas (steam) to vent from the mold as metal is poured into the mold.
  • In Finland, olivine is marketed as an ideal rock for sauna stoves because of its comparatively high density and resistance to weathering under repeated heating and cooling.
  • Olivine is used as a slag conditioner and a refractory in the steel industry. In the refractory industry it can be useful as block olivine for furnace linings, ladle linings, patching compounds, crushed olivine mixed with a binder for refractory brick manufacture, etc.
  • Olivine can be the most cost-effective raw material for the production of magnesium metal. This can be possible if the cost of silica produced be comparably similar to the cost of the fumes of silica. This can be done by dissolving olivine in a hydrochloride solution where silica is precipitated and the remaining solution is of magnesium chloride. This mixture can be easily separated and with the further processes magnesium metal can be obtained. Silica is also found in a 90% pure state. So we can consider it to be one of the economic uses of olivine.
  • Researches are going on to make use of olivine to sequester CO2 and to a great extent scientists are even successful in doing so. We can say 1 liter of olivine can sequester approximately 1 liter of oil producing carbon-dioxide.

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