Preciosa knowledge | Glücksfieber

Preciosa terms and abbreviations

FOLIATION

Foiling is the application of a reflective layer on the underside of the stone to achieve maximum brilliance.
DF - DURA FOILING
The silver reflective layer is coated with a protective gold-silver (FJS) or satin (FBS) layer, which meets the highest demands of the manufacturer requirements for an ecological and
safe product as well as effective and trouble-free application.
G - GOLD FOILING
The silver reflective layer is covered with a protective layer containing a bronze pigment. Usually applied to round or fancy stones.
S - SILVER FOILING
The silver reflective layer is covered with a protective layer containing an aluminum pigment. Normally applied on chatons in Crystal AB and Flat Back Stones.
A - ALUMINUM LAYER
The mirror effect is created by an aluminum layer applied in a vacuum coating process.
U - UNFOILED
No foiling on selected range.Transparent colors without foiling are classified as PURE.

EFFECTS

COATINGS
Vacuum coating is the application of layers of metals, their oxides, salts and compounds to selected crystal surfaces in a vacuum. Vacuum coating is available as top coating (tc) or bottom coating (bc) for fashion gemstones and as half coating (hc) or full coating (fc) for pearls.
TC - TOP COATING
Top Coating is a decoration applied to the top of the stone by a vacuum coating process.
BC - BOTTOM COATING
Bottom coating is a decor applied to the bottom side of the stone by a vacuum coating process.
HC - HALF COATING
Half coating is a decor applied by a vacuum coating process to a part of the bead.
FC - FULL COATING
The full coating is a decor created by a vacuum coating process and applied to the entire surface of the.

SIZES

Sizes of costume jewelry stones and pearls are given in different units:

pp (pearl plate)
for round stones - Rivoli & Chatons
ss (stone size)
for round stones Chatons, Rivolis and Chaton Roses
mm
for other stones, pendants and pearls

See also the size conversion table.

HOTFIX
HF - HOTFIX (FUSIBLE)
Flat back stones with a special adhesive with low melting point which is applied to the substrate. HF stones can be applied to textiles with heat and pressure (e.g. ironing) and fixed pressure (e.g. ironing).