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
Note：Wood handle and black plastic handle are randomly distributed Technical Specifications: Color: Blue Gear ratio:1:6.2 4.20 Type: Rolling Mill Item Type: Jewelry Tools & Equipments Material: Steel The slimmest can be pressed: 0.03mm the thickest can be pressed: 6.5mm Roll square: 7mm 5mm 3.5mm 3mm 2mm 1mm 0.5mm Roll presser: 75mm Roll Semi-circle:1.2mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm Features and Benefits: 1、Rollers are easy to change for different applications, ideal for drawing wire right in your own home. 2、 Rolls made from stainless alloy that offers good wear resistance. 3、All powder coated for superior corrosion protection and appearance.
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75mm Roller Rolling Miller Manual Combination Rolling Mill Machine Jewelry Maker
Product Description
75mm Commercial Rolling Mill Machine Roller Metal Wire Flat Pressed Jewelry Tool
Note!!!
Wood handle
and
black plastic handle
are
randomly distributed
Technical Specifications:
Color: Blue
Type: Rolling Mill
Item Type: Jewelry Tools & Equipments
Material: Steel
Gear ratio:1:6.2 4.20
The slimmest can be pressed: 0.03mm
the thickest can be pressed: 6.5mm
Roll square: 7mm 5mm 3.5mm 3mm 2mm 1mm 0.5mm
Roll presser: 75mm
Roll Semi-circle:1.2mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm
Features and Benefits:
1、Rollers are easy to change for different applications, ideal for drawing wire right in your own home.
2、 Rolls made from stainless alloy that offers good wear resistance.
3、All powder coated for superior corrosion protection and appearance.
Notice:
1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.
2. The color may have different as the difference display,pls understand.
Package Contents:
1 x Manual Combination Rolling Mill Machine
Payment
Delivery details
Terms of sales
About us
Contact us
Payment
We accept ebay payment 。
Fees such as import duties, taxes are not included in the item price or shipping costs. These charges are the buyer's responsibility.
Delivery details
Shipping:
The item will be shipped from our US warehouse to United States, which is more faster than from aboard.
2-9 working days to: USA
Terms of sales
We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them!
About us
Your satis
faction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
Contact us
Business Hour
Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
Feedback
On Jul-06-21 at 07:55:19 PDT, seller added the following information: