The right tools for gemological studies

Expand your opportunities and access untapped sources of inspiration.
Prices are marked in swiss francs CHF. The actual exchange rates for US$ and EUR are marked at the bottom of the page.
Delivery from our stock in Switzerland plus transport costs. All prices are subject to change.

Basic gemmological tools
Gemstone tweezer titanium CHF25.-  EUR19.-
Loupe 10x corrected aplanatic + chromatic manualCHF34.-  EUR26.-
Darkfield Loupe 10x corrected aplanatic + chromatic CHF76.-  EUR58.-
Polariscope with light source manual CHF76.-  EUR58.-
Refractometer manual CHF590.-  EUR449.-
Refractometer liquid CHF55.-  EUR42.-
Blue Chart - tables of gemstone identification Eddition 2008detailsCHF57.-  EUR43.-
Dicroscope manual CHF98.-  EUR75.-
Spectroscope manual CHF170.-  EUR129.-
Chelsea - Jadeite Filter manualCHF65.-  EUR49.-
Ruby Filter CHF65.-  EUR49.-
Diamond tester manual CHF126.-  EUR96.-
Diamond - Moissanite Combination tester manual CHF326.-  EUR248.-
MX Scale 250 x 0.05 ct   for rough and cut stones CHF249.-  EUR190.-
Precision carat scale 100 x 0.01 ct   for cut stonescalibrationCHF269.-  EUR205.-
Diamond scale 100 x 0.01 ct manual CHF170.-  EUR129.-
Hydrostatic equipment manualCHF40.-  EUR30.-
Digital caliper 156mm x 0.01mm CHF64.-  EUR49.-
World map of gem deposits CHF20.-  EUR15.-
Digital refractometertest reportCHF650.-  EUR495.-

Travel cases for your Gemmological instruments
You may order travelcases equipped according to your needs. Select your tools in the list above.

Briefcase
CHF 1'725.-
(EUR 1313.-)
Travelcase medium
CHF 1'730.-
(EUR 1317.-)
Travellab small KA41
CHF 3'019.-
(EUR 1'949.-)
Travellab KA52
CHF 9'279.-
(EUR 5'990.-)

Gemmological instruments   ~   Gemmological instruments

Krüss Tweezers
CHF 18.-(EUR 12.-)
Titanium CHF 37.-(EUR 28.-)
Krüss Tweezers with lock
CHF 21.-(EUR 16.-)
Tweezers with lock
CHF 15.-(EUR 11.-)
Tweezers Titanium
CHF 25.-(EUR 19.-)

Darkfield loupe 10x
triplet, aplanatic & chromatic corrected
CHF 76.-(EUR 58.-)
Pocket Polariscope with light source
CHF 76.-(EUR 58.-)
Table top LED light source for Darkfield loupe or Pocket Polariscope
CHF 45.-(EUR 34.-)
Loupe 20x / 18mm
triplet, aplanatic & achromatic corrected
CHF 45.-(EUR 34.-)

Loupe 10x / 21mm triplet, aplanatic & achromatic corrected with LED ring lamp, recharge with USB cable on your laptop or AC/DC adapter / 100-240 Volt input
CHF 139.-(EUR 90.-)
Loupe 45x with LED illumination
CHF 22.-(EUR 17.50)
Loupe 10x 18mm
triplet, aplanatic & achromatic corrected
CHF 34.-(EUR 26.-)
Loupe 10x+20x
triplet, aplanatic & achromatic corrected
CHF 70.-(EUR 53.-)

Krüss Loupe 10x 21mm
triplet, aplanatic & achromatic corrected
CHF 59.-
(EUR 45.-)
Krüss Loupe 15x 18mm
triplet, aplanatic & achromatic corrected
CHF 38.-
(EUR 29.-)
Krüss Loupe 20x 18mm & 21mm, triplet, aplanatic & achromatic corrected
CHF 38.- / 59.-
(EUR 29.- / 45.-)
Special loups
triplet, aplanatic & achromatic corrected

Krüss Refractometer with sodium filter
CHF 1193.- (EUR 770.-)
Refractometer with sodium filter and external light source CHF 590.- (EUR 449.-)
Refractometer with integrated LED light source CHF 590.- (EUR 449.-)
Refractometer liquid RI 1.79
Volume 3cl CHF 55.- (EUR 42.-)

Option external sodium light source LED 220V for Krüss Refractometer CHF 142.- (EUR 92.-)
Digiatal refractometer
RI 1.200 - 3.000
CHF 650.- (EUR 495.-)
Blue chart - tables of gemstone identification. Edition 2008 with 79 color absorption spectrums
CHF 57.-(EUR 43.-)
Desktop Polariscope
CHF 299.-(EUR 228.-)
High precision

Pocket Balance
20x0.002gr / 100x0.01ct
CHF 74.-(EUR 56.-)		 High precision

Precision scale
20x0.002gr / 100x0.01ct
CHF 269.- (EUR 205.-)		 High precision

Mini digital scale
20x0.002gr / 100x0.01ct
CHF 170.- (EUR 129.-)

Hydrostatic accessory for
all scales
CHF 40.-(EUR 30.-)
Medium precision

MX scale
Transportable gem scale
50x0.01gr / 250x0.05ct
CHF 249.-(EUR 205.-)		 Medium precision wide range

Pocket Balance
500x0.01gr / 2500x0.1ct
CHF 141.-(EUR 107.-)		 Medium precision

150A mini scale
Transportable gem scale
150x0.01gr / 750x0.05ct
CHF 29.-(EUR 22.-)

Pocket Balance
3000x0.1gr / 15000x0.5ct
CHF 59.-(EUR 45.-)
Krüss gold scale GW50
350x0.1gr
CHF 142.-(EUR 108.-)
Mechanical gem scale
250 x 0.01 ct
CHF 69.-(EUR 53.-)
Stone tweezer for microspoe
CHF 50.-(EUR 38.-)

Diamond tester small
Does not recognize Moissanite
CHF 126.-(EUR 96.-)
Diamond tester
Does not recognize Moissanite
CHF 210.- (EUR 160.-)
Diamond Moissanit tester
separates only diamonds from Moissanit
CHF 190.-(EUR 145.-)
Diamond Moissanit Combo tester
recognizes also sapphire & ruby
CHF 326.-(EUR 248.-)

Dichroscope
CHF 98.-(EUR 75.-)
Ruby filter
CHF 65.- (EUR 49.-)
Jadeite - Chelsea filter
CHF 65.-(EUR 49.-)
Jadeite filter with loupe
CHF 75.- (EUR 57.-)

Original OPL
Teacher diffraction grating spectroscope
CHF 136.- (EUR 104.-)
Original OPL
Poket diffraction grating spectroscope
CHF 100.- (EUR 76.-)
OPL Booklet
A students guide to spectrography
CHF 24.- (EUR 18.-)
Digital caliper
156mm x 0.01mm or
short model 104mm x 0.01mm
CHF 64.- (EUR 49.-)

Spectroscope
with prism and fixed slit
CHF 154.- (EUR 117.-)
Spectroscope
with prism and fixed slit
CHF 170.- (EUR 129.-)
Krüss Spectroscope
with prism and moveable slit
CHF 272.- (EUR 176.-)
Krüss Spectroscope with prism, wavelength scale and moveable slit
CHF 496.- (EUR 320.-)

Stereo Zoom Microscope 10x - 40x with reflected light, transmitted light, darkfield and Stoneholder
CHF 990.- (EUR 753.-)
Stereo Zoom Microscope 10x - 40x with photo - video adapter, reflected light, transmitted light, darkfield and Stoneholder
CHF 1206.- (EUR 918.-)
Krüss Microscope
7x - 45x zoom

Reflected - Transmitted light - Stoneholder - Darkfield
KSW-5400
CHF 1193.-
(EUR 770.-)
Krüss Microscope
7x - 45x zoom
with photo - video adapter
Reflected - Transmitted light - Stoneholder - Darkfield
KSW-5600
CHF 1363.-
(EUR 880.-)

UV Ringlamp
for microscope
220-230 Volt
CHF 201.-
(EUR 130.-)
Daylight Ringlamp
for microscope
220-230 Volt
CHF 186.-
(EUR 120.-)
Daylight Ringlamp with
56 LED for microscope
100-230Volt
CHF 306.-
(EUR 198.-)
Zeiss Microscope 8x - 32x with GIA stand, tilting base - 9 watt overhead fluorescent lamp - tungsten halogen lamp bright field / darkfield - with sliding baffle and iris diaphragm - Stoneholder - Cold light fibre optic - full 360° rotation - 220Volt
KSW-6000
CHF 3842.-
(EUR 2480.-)

World map of gem deposits
CHF 20.-(EUR 15.-)
The story of Fluorescence
CHF 10.-(EUR 8.-)
A brief review of gemstone optical properties from a lapidary's perspective by Sandrine Kunz
CHF 15.-(EUR 11.-)
Krüss Microscopes with fixed magnification

Krüss Microscope 10x + 30x
Reflected - Transmitted LED light


Vertical setup
MSL-4000
CHF 310.-
(EUR 200.-)
Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield

Vertical setup
KSW-4330-1
CHF 512.-
(EUR 330.-)
Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield - Cold light
Vertical setup
KSW-4330-1K
CHF 1081.-
(EUR 698.-)
Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield - Cold light - Immersion cell Horizontal or Vertical setup
KSW-4330-2K
CHF 1540.-
(EUR 994.-)
Learn the proper use of these tools, and take a class in gemmology

We represent
Krüss Optronic     Orwin Products


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only if the customer is
present at the point of sale.
Exchange rate 1 CHF swiss franc equals

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