The requirements of hard stone polishing
The use of hard stones is very common in many markets such as jewelry, watchmaking, home art …
These stones, whose hardness is between 4 and 9 on the Mohs scale, are numerous and considered as minerals extracted from natural sites.
The best known are agate, aquamarine, amethyst, citrine, hematite, jade, malachite, tiger’s eye, onyx, opal, rose quartz, rhodonite, topaz, tourmaline, turquoise and zircon.
In the jewelry industry, both in manufacturing and in renovation, these hard stones are polished to reveal or recover their full brilliance.
When the stones are between 4 and 8 on the Mohs scale, EXTREM polishing compounds offer excellent results at all stages of polishing.
EXTREM polishing compounds contain a unique combination of ceramic and diamond abrasives for fast, high quality polishing, especially for hard stones.
aiguille-marine, topaz, turquoise or agate, each stone is unique and requires a perfect shine.
Polishing of hard stones
tips for polishing topaz, agate, turquoise, malachite ?
Polishing tips for a hard stone, from 4 to 8 on the Mohs scale
Discover below a process frequently used by our jewelers customers looking for a perfect mirror polish finish on hard stones.
Recommended polishing compounds and buffing mops for polishing a hard stone from 4 to 8 on the Mohs scale
sh, la, stv, kh or felts
TPB, kh or stv
MOC2, lag, kh or stv
You want to polish a hard stone and you need more information
on Merard polishing compounds and buffing mops?
POLISHING malachite, topaz, turquoise and other hard stones REQUIRES THE USE OF EFFICIENT POLISHING PRODUCTS.
What solutions for polishing a hard stone?
EXTREM polishing compounds
The EXTREM line includes highly specific abrasive polishing compounds that meet the expectations of the most demanding polishers and the most complex situations.
- Extremely technical and precise polishing compounds, for very specific polishing problems
- MERARD innovation: new Cerax® abrasive material, unique combination of ceramic & diamond components, implemented to meet the most difficult configurations
The felts are made from white virgin wool.
The polishing felts are mainly used with our pre-polishing compounds for felting operations.
They are available in 2 qualities of wools:
They are available in many sizes and densities.