Opals
Gemstones
Jewelry
Coins
Sin piedras preciosas de reserva
Sin ópalos de reserva
Joyas sin reserva
Sin monedas de reserva
:el vendedor está actualmente de vacaciones y puede tardar más de lo normal en responder.
TOUCH STONE BEAD 17.10 CARATS 0355-6
- SKU
- Dimensiones (mm)
- x x mm
- Peso (cts)
- Tipo
- Bead
- Colores
-
DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17.10 CARATS
SIZE: 24 X 13 X 10 MM
COLOUR: BLACK
CLARITY: OPAQUE
1 PIECE
ADDITIONAL COMMENT:
A TOUCHSTONE IS A SMALL TABLET OF DARK STONE SUCH AS FIELDSTONE, SLATE OR LYDITE, USED FOR
ASSAYING PRECIOUS METAL ALLOYS. IT HAS A FINELY GRAINED SURFACE ON WHICH SOFT METALS LEAVE A
VISIBLE TRACE.
DRAWING A LINE WITH THE GOLD ON THE TOUCHSTONE WILL LEAVE A VISIBLE TRACE. THE TRACE WILL
REACT DIFFERENTLY TO SPECIFIC CONCENTRATION OF NITRIC ACID, THEREBY IDENTIFYING THE QUALITY
OF THE GOLD. THUS 18 CT PURITY IS NOT AFFECTED BUT 14 CT GOLD WILL SHOW CHEMICAL ACTIVITY.
- SKU
- Dimensiones (mm)
- x x mm
- Peso (cts)
- Tipo
- Bead
- Colores
-
DESCRIPTION:
GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.
WEIGHT: 17.10 CARATS
SIZE: 24 X 13 X 10 MM
COLOUR: BLACK
CLARITY: OPAQUE
1 PIECE
ADDITIONAL COMMENT:
A TOUCHSTONE IS A SMALL TABLET OF DARK STONE SUCH AS FIELDSTONE, SLATE OR LYDITE, USED FOR
ASSAYING PRECIOUS METAL ALLOYS. IT HAS A FINELY GRAINED SURFACE ON WHICH SOFT METALS LEAVE A
VISIBLE TRACE.
DRAWING A LINE WITH THE GOLD ON THE TOUCHSTONE WILL LEAVE A VISIBLE TRACE. THE TRACE WILL
REACT DIFFERENTLY TO SPECIFIC CONCENTRATION OF NITRIC ACID, THEREBY IDENTIFYING THE QUALITY
OF THE GOLD. THUS 18 CT PURITY IS NOT AFFECTED BUT 14 CT GOLD WILL SHOW CHEMICAL ACTIVITY.
| Proveedor de envío | Envío a: país | Envíos al resto del mundo |
|---|---|---|
| FedEx | $12.00 / :días días | $39.00 / :días días |
|
:país
:proveedor tiene un descuento de $12.00 en pedidos con 2 o más artículos
Resto del mundo
:proveedor tiene un descuento de $39.00 en pedidos con 2 o más artículos
|
||
| Registered Shipping | $9.00 / :días días | $16.00 / :días días |
|
:país
:proveedor tiene un descuento de $9.00 en pedidos con 2 o más artículos
Resto del mundo
:proveedor tiene un descuento de $16.00 en pedidos con 2 o más artículos
|
||
-
Positivoexcellent seller, everything corresponds to the photos and description
-
Positivo
excellent seller, everything corresponds to the photos and description
-
Positivo
Paid and shipped - no feedback left after 100 days
