PRESIDIUM Synthetic Ruby Identifier Manual de instrucciones

Contents

English Version

I. Disclaimers, Exclusions and Limitations of Liability

II. About this book

III. About your Presidium Synthetic Ruby Identifier

IV. Background and Development of Presidium Synthetic

Ruby Identifer

V. Important Notice

1. GETTING STARTED with your Synthetic Ruby Identifier

2. PERFORMING A TEST with your Synthetic Ruby Identifier

3. READING TEST RESULTS on your Synthetic Ruby Identifier

4. OVERVIEW OF INDICATORS on your Synthetic Ruby

Identifier

5. TAKING CARE of your Synthetic Ruby Identifier

PG.

I. Disclaimers, Exclusions and Limitations

of Liability

PLEASE READ AND NOTE PRESIDIUM WARRANTY TERMS AND

CONDITIONS as stated in the warranty card. Presidium warranty for

its devices are subject to proper use by its users in accordance with all

the terms and conditions as stated in the relevant user handbook and

shall cover only manufacturing defects.

Due to continuous product improvement, Presidium reserves the right

to revise all documents including the right to make changes to the

handbook without notice and without obligation to notify any person

of such revisions or changes. Users are advised to check Presidium’s

website from time to time http://www.presidium.com.sg/

Presidium shall not be responsible for any damage or loss resulting

from the use of this product or handbook.

Under no circumstances shall Presidium, its manufacturer or any of

its subsidiaries, licensors, distributors, reseller, servant and/or agent

be liable for any direct or indirect damages, resulting from the use of

this device.

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,

under no circumstances shall Presidium, its manufacturer or any

of its subsidiaries, licensors, distributors, reseller, servant and/or

agent be responsible for any special, incidental, consequential or

indirect damages howsoever caused.

The Synthetic Ruby Identifier (“SRI”) by Presidium in this handbook

is provided and/or sold on an “as is” basis. Except as required by

applicable law, no warranties of any kind expressed or implied,

including, but not limited to, the implied warranties of merchantability

and fitness for a particular purpose.

II. About this Book

Thank you for purchasing the world’s first and only Synthetic Ruby

Identifier (“SRI” or “device”) by Presidium.

This handbook is designed to help you set up your device and

describes all you need to know about how to use your gemstone

testing device accurately and take care of it, in line with its

requirements. Please read these instructions carefully and keep them

handy for future reference.

This book also contains the terms and conditions in relation to

the use of the device including the Disclaimer, EXCLUSION and

Limitation of Liability clauses stated above in Section I.

III. About the Synthetic Ruby Identifier by

Presidium

The Presidium Synthetic Ruby Identifier (“SRI”) is a revolutionary

new device developed to help identify amongst rubies, the synthetic

ruby that is created through the flame fusion method. Researched

and developed by Presidium in collaboration with the renowned Gem

and Jewelry Institute of Thailand (GIT) near the traditional source

hub of rubies, the Synthetic Ruby Identifier is a breakthrough in the

development of gemological instruments, as it is the world’s first and

only tool, aside from expensive laboratory equipment, that identifies

certain common synthetic rubies.

The Synthetic Ruby Identifier is designed as a test on known ruby

stones and to differentiate the synthetic flame fusion rubies from

natural and other forms of synthetic ruby. One way to ascertain if

the gemstone is a ruby is to measure the thermal conductivity of the

gemstone. If the gemstone is a ruby, the Synthetic Ruby Identifier can

be used to further check if it is a synthetic flame fusion ruby.

Using the knowledge that when gemstones are subjected to deep

UV irradiation, the difference in their light transmittance is significant

enough to aid in differentiating known rubies, the Synthetic Ruby

Identifier measures the UV light transmittance ability of ruby stones,

as research1has found that synthetic flame fusion rubies are

consistently more transparent to deep UV light.

1 Sim, Hwa San; Leelawatanasuk, Thanong & Saengbuangamlam, Saengthip. “Handheld

Synthetic Ruby Screener based on UV-VIS Light Absorption” in GIT 2012 (Bangkok; Gem

& Jewelry Institute of Thailand, 2012), pp199-204.

The Synthetic Ruby Identifier features a deep-wave UV light that is

activated to pass through the ruby towards the photo-detector on the

base platform. Bars of coloured light on the front of the lid will provide

an easy reading that indicates if the UV light transmittance ability of

the tested ruby is high or low. Usually, a natural ruby will have a low

UV transmittance due to the trace elements within that absorb the

deep UV light. Other types of synthetic rubies such as those created

through the flux and hydrothermal methods could either have high or

low UV transmittance ability, depending on the presence of transition

metal ions introduced during the growth process and hence the device

cannot accurately identify those synthetic rubies. A synthetic flame

fusion ruby which is the most common type of synthetic ruby though,

will usually have few transition metal ions (mainly Chromium,Cr)

due to relatively ‘pure’ melt growth process, resulting in high UV

transmittance.

Created with the user in mind, the Synthetic Ruby Identifier is

engineered to allow for very quick screening of single mounted ruby

stones (with open-back setting) and loose rubies to check if they are

synthetic flame fusion rubies. It is designed as a lightweight, portable,

sturdy and non-slip unit and it can be powered by 4 AAA batteries or

through its USB port connecting to an external power source.

The Synthetic Ruby Identifier has been subjected to thorough and

extensive laboratory testing in collaboration with the Gem & Jewelry

Institute of Thailand (GIT), and will generally give clear and reliable

reading of the ruby being tested. This device only helps to identify a

certain type of synthetic ruby and to ascertain if your tested ruby is

natural or other forms of synthetic ruby, you are advised to conduct

further supporting tests.

The device was designed with the following objectives:

• Help to further quickly identify one type of common synthetic,

the synthetic flame fusion ruby from amongst known rubies

• Aid to further enable identifying natural ruby by screening out one

type of synthetic ruby

• Provide consistent and reliable test results under proper use and

understanding of its functions

• Feature user-safe materials and user-friendly ergonomics that gives

clear visibility of results, maximum sturdiness and grip, ease of use

and portability

The capabilities of the Synthetic Ruby Identier are as follows:

• Help to identify most synthetic flame fusion rubies

• Tests on rubies within a range in dimension from 3 mm in width and

up to 6mm in height (approx. 0.1 to 6 carat size)

• Tests on polished rubies of common shapes such as round-cut,

oval-cut, princess cut, brilliant round cut, emerald cut, baguette cut,

square brilliant cut, step cut and mixed cut

• Can be used on both loose stones and rubies mounted on jewelry

with open-back setting

• Complete testing almost instantaneously

The user is cautioned against using the Synthetic Ruby Identier

on the following as it may affect the accuracy of the readings:

× Unknown stones (users should only test on known rubies)

× Rough, unpolished stones

× Stones that are more than 6mm in height as the specific UV

wavelength has limited ray reach

× Opaque or translucent stones, and stones of dark red shades

× Testing if the stone has been subjected to treatments such as heat

irradiation and glass-filling

× Testing to identify other forms of synthetically created rubies such

as synthetic hydrothermal or synthetic flux stones

× Mounted stones more than 6mm in height on ring jewelry with

inside diameter measuring larger than 14.88mm (Italy ring size 6)

The Synthetic Ruby Identier features the following:

• The world’s first and only technology that measures a gemstone’s

UV light transmittance ability with a specific deep-wave UV to help

identify synthetic flame fusion rubies

• 7 colour coded (blue/red) indicator light bars to give a clear low or

high reading of light transmittance

• Instantaneous clear results within 2 seconds

• Exterior rubber pads on base to ensure non-slip sturdiness and

prevent scratches to surfaces

• Stream-lined ergonomic design that enhances portability and

stability

• Low battery indicator

• Energy-saving auto power-off of device after 10 minutes without

operation

• Interior LED light source and testing area

• Energy-saving auto power-off of interior LED light source when lid of

device is open or when Start Test button is not activated

The interior LED source and testing area features:

• UV light source pre-set at an optimum wavelength to accurately

measure the light transmittance ability of rubies

• Light source latch to enable future removal/replacement/change of

light source

• User-friendly lever to secure the gemstone in place on base platform

• Ring guide placement markings on the light source

• Concentric circles marking the base platform in the testing area to

place the stone

• UV-sensitive Photo-detector in the centre of base platform to detect

the amount of light that passes through the stone

The connectivity functions of the Synthetic Ruby Identier

include:

• Exterior USB port at back of unit for connecting to external power

source or computer

• International voltage compatibility

Included in your package:

• Presidium Synthetic Ruby Identifier unit

• Protective carrying case with interior accessories pouch

• USB cable

• Presidium Universal Power Adaptor

• Quick Guide

• QR Code Card

Fig.A Synthetic Ruby Identifier Unit

Features/Functions (Fig.A)

1. Power button (On/Off, Low Battery Indicator and Bluetooth

Connectivity Indicator)

2. Lid

3 Base platform with concentric markings

4. Photo-detector

5. Interior LED Light Source with Ring Guide embossed on top

6. Light Source Lever to adjust Light Source

7. LED Light Source Replacement Latch

8. “Start Test” button

9. 7 Indicator Bars measuring UV Light Transmittance from

Low to High

10. Micro USB port

Specications

Length

Width

Height

Weight without batteries

Weight with batteries

Power

130mm

100mm

65mm

210grams

250grams

4 AAA Batteries or via USB cable

connected to external power source

IV. Background and Development of

Presidium Synthetic Ruby Identifier

The world of colored gemstones is a sparkling but somewhat mystical

one. Unlike diamonds which have an established grading system

that appraises a diamond based on colour, cut, clarity and colour,

colored gemstones do not have a similar universal appraisal system.

Furthermore, the range of colours can be seen across both precious

and semi-precious stones allowing some people to mistake one easily

for the other. The discovery of equally colourful synthetic materials

may have also undermined the appreciation and authenticity of

precious colored gems especially the corundum stones – sapphires

and rubies.

Rubies, with its stunning red shades have captured the hearts of many

since the ancient times. With such popularity, synthetic rubies have

been man-made from as early as the 1800s with the Verneuil process

which creates what is known to be flame fusion rubies. With its simple

technology, low cost and convincing yield, it still remains a process

that is widely used today.

Through the years as methods and technology gained sophistication,

other crystal growth processes were discovered such as the flux

method or the hydrothermal method. The methods developed to

identify such synthetic gems are often limited only to gemology-

trained experts or to the use of expensive laboratory equipment and

it is difficult for most buyers to ascertain if synthetic gems may be

marketed, sold and mixed with natural rubies.

With the knowledge of this, Presidium set out to work on researching

more about synthetic rubies and developing a device that can aid in

the quick identification of such rubies.

It is known that due to impurities or transition metal ions that are

usually found in natural rubies, these stones are able to absorb

deep UV light. Thus the UV transmittance ability of such stones is

low. For synthetic flame fusion rubies, it was found that they usually

did not contain such trace elements or impurities. Hence, the UV

transmittance ability of synthetic flame fusion rubies is high, allowing

the UV wavelength to pass through the stone.

This knowledge was shared with the Gem and Jewelry Institute of

Thailand (GIT) which recognised and endorsed this methodology of

utilizing the UV-VIS-NIR spectroscopy to measure the transmittance

for identifying synthetic and natural rubies.

Believing this was a radical new methodology to identify certain

gemstones, GIT also loaned Presidium a substantial sample size

of both natural and synthetic ruby stones for testing and identifying.

Presidium was able test these stones using the Synthetic Ruby

Identifier and have the tests confirmed using GIT’s advanced

laboratory equipment. Working closely with researchers at GIT who

readily shared their gemmological knowledge, testing trials for the

Synthetic Ruby Identifier were also conducted by GIT for Presidium.

V. Important notice

• Keep the device dry. Precipitation and all types of liquids or moisture

can contain minerals that will corrode electronic circuits. If your

device gets wet, remove the battery and allow the device to dry

completely before replacing it.

• Do not use, store or expose the device in dusty, dirty areas. Its

moving parts and electronic component may get damaged.

• Do not use, store or expose the device in hot areas. High

temperatures can damage or shorten the life of the device, damage

batteries, and warp or melt certain plastics.

• Do not use, store or expose the device in cold areas. When the

device returns to its normal temperature, moisture can form inside

the device and damage electronic circuit boards.

• Do not attempt to open the device other than as instructed in this

handbook.

• Do not drop, knock, or shake the device. Rough handling may break

internal circuit boards and fine mechanics.

• Do not use harsh chemicals, cleaning solvents, or strong detergents

to clean the device.

• Do not paint the device. Paint can clog the moving parts and prevent

proper operation.

If the device is not working properly, kindly contact Presidium

Customer Service at [email protected] or:

Presidium Instruments Pte Ltd

Unit 7, 207 Henderson Road

Singapore 159550

Attn: Customer Service Executive

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