Jewelry Quality

Jewelry Quality

Quality - Diamond under the Microscope by Martinus
Jewelry Quality & Unique Designs

fine gemstones are part of my daily life. While apprenticing in Germany, at age 16, my boss Else taught me about gemstone properties. At that age I didn’t like to waste my weekends memorizing numbers like the specific gravity of Gemstones. 4.2 for sapphire for example. and ruby, comparing it to diamond of only 3.5. Pretty boring when you are 16, but essential when it comes to money. I had to learn of highest light refraction known at 2.42, responsible for a diamond’s extreme brilliance. I had to write essays about the entire major gem varieties. Where they are found and how to use heavy liquids to proof their specific gravity. Else also introduced me to refractometers, a spectroscope for gem’s light properties.

I didn’t like all that stuff filling up my teenage brain. Much later in my gemology coledge studies it became an invisible treasure. When helping students and customers it gives me total confidence!

q_amscope-mt-diamond-inclusionsGemstone Expertise

fine gemstones are part of my daily life. While apprenticing in Germany, at age 16, my boss Else taught me about gemstone properties. At that age I didn’t like to waste my weekends memorizing numbers like the specific gravity of Gemstones. 4.2 for sapphire for example. and ruby, comparing it to diamond of only 3.5. Pretty boring when you are 16, but essential when it comes to money. I had to learn of highest light refraction known at 2.42, responsible for a diamond’s extreme brilliance. I had to write essays about the entire major gem varieties. Where they are found and how to use heavy liquids to proof their specific gravity. Else also introduced me to refractometers, a spectroscope for gem’s light properties.

I didn’t like all that stuff filling up my teenage brain. Much later in my gemology coledge studies it became an invisible treasure. When helping students and customers it gives me total confidence!

Pure Gold in the melting Jewelry Quality by Martinus

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Quality – what is Precious what is Pure – Our Metals

Jewelry quality is essential for the trust in our work. We use precious metals in their purest form. We melt as we mix and compose according to very precise standards. And, we recycle old jewelry for you of any karat content. The purifying takes it back to their original components. We calculate, we test and we guarantee the proportions. Our Hallmark Stamps imprinted in our jewelry give proof to everyone. In the diagrams you see, how we compose and use our precious metals.

Details of Metals in Jewelry Quality and Hallmarks by Martinus

certificateCertification

Martinus’ authentic designs are unique in the jewelry world. Each piece comes with a certificate of authenticity, featuring a colour picture of your jewelry, a precise description of materials and the artist’s signature.