Professional Gems Refractometer kit,Monochromatic Light

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