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Prix

6.85 CTS QUARTZ WITH MICA EYE INCLUSIONS [ST7501]

4107
8

UGS
Dimensions (mm)
x x mm
Poids (cts)
Certified Gemstones
Non
Couleurs

SEDA GEMS

QUARTZ WITH MICA

This is a natural untreated stone from Brazil howing stunning mica inclusions in it.

Also known as mica schst

Very well polished

Weight 6.85 cts app

Size 12 x 7 mm app

Quartz is the most common mineral on Earth. It is found in nearly every geological environment and is a component of almost every rock type.  It makes up about 12% of the earth's crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks. It is also the most varied in terms of variety and color.  Quartz is a 7 on the Mohs scale of hardness..

MICA-SCHIST, in petrology, a rock composed essentially of mica and quartz, and having a thin parallel-banded or foliated structure, with lamellae rich in mica alternating with others which are principally quartz. They split readily along the micaceous films, and have smooth or slightly uneven surfaces covered with lustrous plates of muscovite or biotite; the quartzose lamellae are often visible only when the specimens are looked at edgewise. Mica-schists are very common in regions of Archean rocks accompanying gneisses, crystalline limestones and other schists. Some have a flat banding yielding smooth slabs; others are crumpled or contorted with undulating foliation. Occasionally the quartz forms elliptical lenticles or "eyes." In some cases mica composes nearly the whole of the rock, in others quartz preponderates so that they approach quartz-schists and quartzites.

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FedEx $12.00 / 3 $39.00 / 10
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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

sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
Mermaid Waters , Australia
Vérifié
19061

  • rustynut
    rustynut
    Positif

    Good stone great service

  • martin11
    martin11
    Positif

    Great thank very much, lovely pearls.

  • philsgems
    philsgems
    Positif

    Nice piece of rough. thankyou

  • philsgems
    philsgems
    Positif

    Nice stone. Thankyou

  • philsgems
    philsgems
    Positif

    Have received the rough. Nice colour. Thankyou

5%
Code promo SEDADEALS
Valable jusque
2nd Jan 2025

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.

Les détails d'expédition

Expédition:
$16.00 21 les jours via Registered Shipping
Expédié depuis:
Australia

Options de paiement

  • paypal
  • stripe
Ce vendeur ajoute 10.00% aux transactions en Australia .

Aperçu

Type d'inscription : Standard
Identifiant du produit : 320278
Départs : 19th December 2024 05:00 pm PST
* Tous les prix sont en USD