-40%

Professional Gems Refractometer kit,Monochromatic Light

$ 168.43

Availability: 100 in stock
  • Return shipping will be paid by: Buyer
  • Restocking Fee: No
  • Item must be returned within: 14 Days
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Condition: New
  • All returns accepted: Returns Accepted
  • Brand: Unbranded
  • Product: Jewelry Tools & Findings

    Description

    The Professional Gems Refractometer kit Set included the followings:
    A  Refractometer Body
    A bottle of contact liquid (5ml) RI=1.79
    Monochromatic Light source
    587.5-590nm
    .
    (
    Input AC 110V-240V
    Upgrade Version Light source with 800mAh rechargeable battery inside, can be used up to 10 hours continuonly)
    One Polarizer Filter
    Safety Box
    Specification:
    High definition and high accuracy
    Protected by national patent
    Durable CZ Testing Table (cubic zirconium)
    R I range: 1.35-1.82
    Graduation: 0.01
    Accuracy of Reading: < ±0.003
    Contact Liquid R.I. 1.79
    Individual Monochromatic Light Source (110V-240V)
    So, no rainbow colour of the reading edge.
    Clearer edge of the RI reading you will get !
    The new Version of Monochromatic light source is upgraded by embedding with a chargeable battery, which can be charge up whenever the plug on (not the power on!). Now, You can works without area restriction, whenever, wherever you can't find an a/c plug.
    One Polarizer filter fit for the eye-piece.
    Refractometer body size : 37 x 70 x 115 mm
    Light source body : 60 x 65 x 110 mm
    Material: Optics lens, Metal case
    Weight : 1.8 kg (with the case)
    Photo No. 11: Light spectrum of our
    Monochromatic Light Source and n
    ormal tungsten light spectrum (white light spectrum)
    Monochromatic light can give you a clear, sharper and more precise reading,
    while whole spectrum will give a hazy rainbow
    color  reading.
    Attached below are our own photos to show you some features of our KIT
    Photo 12  up:  Reading of a Singly refractive Gemstone: Synthetic Spinel
    (R.I : 1.727 or 1.728)
    Photo 12 down:  Reading of a Doubly refractive Gemstone: Synthetic Sapphire (R.I : 1.762-1.77 , DR= 0.008)
    The quicker you can get the reading,
    the lesser use of your eyes
    and
    Gem stones
    RI
    Birefringence
    Opal
    1.370~1.470
    0
    Fluorite
    1.433~1.435
    0
    Plastic
    1.460~1.700
    0
    Glass
    1.470~1.800
    0
    Sodalite
    1.479~1.487
    0
    Obsidian
    1.480~1.520
    0
    Marble
    1.486~1.658
    0
    Calcite
    1.486~1.658
    0.172
    Coral
    1.486~1.658
    0
    Lapis lazuli
    1.500~1.670
    0
    Chrysocolla
    1.461~1.570
    0
    Dolomite
    1.505~1.743
    0.179~0.184
    Moonstone
    1.518~1.526
    0.005~0.008
    Albite jade
    1.520~1.540
    0
    Amazonite
    1.522~1.530
    0.008
    Pearl
    1.530~1.685
    0
    Sunstone
    1.537~1.547
    0.007~0.010
    Apophyllite
    1.535~1.537
    0.002
    Chalcedony
    1.535~1.539
    0
    Ivory
    1.535~1.540
    0
    Amber
    1.539~1.545
    0
    Talc
    1.540~1.590
    0
    Iolite
    1.542~1.551
    0.008~0.012
    Quartz
    1.544~1.553
    0.009
    Quartzite
    1.544~1.553
    0
    Tiger’s-eye
    1.544~1.533
    0
    Scapolite
    1.550~1.564
    0.037~0.004
    Charoite
    1.550~1.559
    0
    Labradorite
    1.559~1.568
    0.009
    Dushan jade
    1.560~1.700
    0
    Serpentine
    1.560~1.570
    0
    Beryl
    1.577~1.583
    0.005~0.009
    Emerald
    1.577~1.583
    0.005~0.009
    Aquamarine
    1.577~1.583
    0.005~0.009
    Howlite
    1.586~1.605
    0
    Rhodochrosite
    1.597~1.817
    0.220
    Brazilianite
    1.602~1.621
    0.019~0.021
    Nephrite
    1.606~1.632
    0
    Turquoise
    1.610~1.650
    0
    Amblygonite
    1.612~1.636
    0.020~0.027
    Lazulite
    1.612~1.643
    0.031
    Hemimorphite
    1.614~1.636
    0.022
    Actinolite
    1.614~1.641
    0
    Prehnite
    1.616~1.649
    0
    Topaz
    1.619~1.627
    0.008~0.010
    Celestite
    1.619~1.637
    0.018
    Smithsonite
    1.621~1.849
    0.225~0.228
    Tourmaline
    1.626~1.644
    0.018~0.040
    Datolite
    1.626~1.670
    0.044~0.046
    Danbutite
    1.630~1.636
    0.006
    Apatite
    1.634~1.638
    0.002~0.008
    Andalusite
    1.634~1.643
    0.007~0.013
    Barite
    1.636~1.648
    0.012
    Jet
    1.640~1.680
    0
    Euclase
    1.652~1.671
    0.019~0.020
    Phenakite
    1.654~1.670
    0.016
    Peridot
    1.654~1.690
    0.035~0.038
    Malachite
    1.655~1.909
    0
    Dioptase
    1.655~1.708
    0.051~0.053
    Sillimanite
    1.659~1.680
    0.051~0.021
    Spodumene
    1.660~1.676
    0.014~0.016
    Enstatite
    1.663~1.673
    0.008~0.011
    Jadeite
    1.666~1.680
    0
    Kornerupine
    1.667~1.680
    0.012~0.017
    Sinhalite
    1.668~1.707
    0.036~0.039
    Hydrogrossular
    1.670~1.730
    0
    Augite
    1.670~1.772
    0.018~0.033
    Diopside
    1.675~1.701
    0.024~0.030
    Axinite
    1.678~1.688
    0.010~0.012
    Zoisite
    1.691~1.706
    0.008~0.013
    Spinel
    1.710~1.735
    0
    Idocrase(Vesuvianite)
    1.713~1.718
    0.001~0.012
    Pyrope
    1.714~1.742
    0
    Kyanite
    1.716~1.731
    0.012~0.017
    Taaffeite
    1.719~1.723
    0.004~0.005
    Epidote
    1.729~1.768
    0.019~0.045
    Grossularite
    1.730~1.760
    0
    Rhodonite
    1.733~1.747
    0
    Chrysoberyl
    1.746~1.755
    0.008~0.010
    Benitoite
    1.757~1.804
    0.047
    Almandite
    1.760~1.820
    0
    Ruby
    1.762~1.770
    0.008~0.010
    Sapphire
    1.790~1.814
    0.008~0.010
    Spessatite
    1.790~1.814
    0
    Zircon
    1.810~1.984
    0.001~0.059
    Uvarovite
    1.820~1.880
    0
    Andradite
    1.855~1.895
    0
    Sphene
    1.900~2.034
    0.100~0.135
    Cassiterite
    1.997~2.093
    0.096~0.098
    Diamond
    2.417
    0
    Hematite
    2.690~3.220
    0
    All our items offer 1 year guarantee, if malfunction or broken within 3 month, you can return to us and replace a new one .
    (except Mishandling.)
    All of our item will undregoes a very serious quality assurance before shipping, we just want to ensure our client can enjoy high quality gemmological tools and achieve a high standard preformance.
    save your times and your vision for the beauty of the stone !
    Directly from the manufacturer and will mail to you from Hong Kong