stars and gems est actuellement en vacances et peut prendre plus de temps que d'habitude pour répondre.

$34.00 USD

Prix

$34.00 USD

Prix

stars and gems

TOUCH STONE BEAD 17 CARATS 0355-4

3238

UGS
Dimensions (mm): x x mm
Poids (cts)
Taper: Bead
Couleurs

DESCRIPTION:

GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.

WEIGHT: 17 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.

UGS
Dimensions (mm): x x mm
Poids (cts)
Taper: Bead
Couleurs

DESCRIPTION:

GEM TYPE: TOUCHSTONE BEAD, HOLE DRILLED FOR NECKLACE.

WEIGHT: 17 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.

Fournisseur d'expédition	Expédition vers Australia	Expédition dans le reste du monde
FedEx	$12.00 / 3	$39.00 / 10
Australia FedEx bénéficie d'une remise de $12.00 sur les commandes contenant 2 ou plus d'articles Reste du monde FedEx bénéficie d'une remise de $39.00 sur les commandes contenant 2 ou plus d'articles
Registered Shipping	$9.00 / 7	$16.00 / 21
Australia Registered Shipping bénéficie d'une remise de $9.00 sur les commandes contenant 2 ou plus d'articles Reste du monde Registered Shipping bénéficie d'une remise de $16.00 sur les commandes contenant 2 ou plus d'articles

stars and gems

Visiter le magasin

Contact Événements en direct

Australia

Propriété de stars and gems

Vérifié

Tout afficher 5,071 Feedback

stars and gems est actuellement en vacances et peut prendre plus de temps que d'habitude pour répondre.

ivanruiz01
on 31 Oct, 2024

Positif

Beautiful piece

CERT 6.50 CTS FACETED RED RUBY 11 939

ivanruiz01
on 31 Oct, 2024

Positif

Beautiful piece

CERT 5.68 CTS FACETED CUT RED RUBY 11 837

reedl
on 10 Oct, 2024

Positif

Paid and shipped - no feedback left after 100 days

ZAMBIAN NATURAL OVAL EMERALD 2.3CTS ST 467

talijoon1
on 1 Oct, 2024

Positif

Paid and shipped - no feedback left after 100 days

LARGE ENGRAVED AGATE 255 CTS SGS 709

skarastu
on 22 Sep, 2024

Positif

Beautiful gemstone. Checked to be genuine Tourmaline. Color was light pink. I was hoping for a pinkish purple as in the pictures. Great transaction and prompt shipping. Thank you.

2.56 CTS FACETED ROSY PINK TOURMALINE GEMSTONE 11 665

Afficher tous les commentaires

Audit

Le programme Gemstone Sheriff permet à nos membres de demander un audit sur tout produit, qui est complété par un Gemologist indépendant qui évalue l'exactitude de la description de l'article et des photos.