Natural Green Tourmaline Cut loose gemstones lot 7.00 Carats 4 Pieces of Afghanistan Origin, buy Emerald shape set for jewelry VS clarity

FULL DESCRITION

ABOUT ITEM

This is natural green tourmaline cut gemstone of Afghanistan origin. This lot contain 4 pieces of tourmaline stone and VS clarity perfect for jewelry making, They are well polished.


ATTRIBUTES

STONE: NATURAL GREEN TOURMALINE CUT STONE
CLARITY: VS
ORIGIN: AFGHANISTAN
TYPE: NATURAL
COLOR: GREEN
LENGTH: 13-14mm
WITH: 4-5mm
DEPTH: 3mm


ABOUT STONE
Tourmaline's colors have many different causes. It's generally agreed that traces of iron, and possibly titanium, induce green and blue colors. Manganese produces reds and pinks, and possibly yellows. Some pink and yellow tourmalines might owe their hues to color centers caused by radiation, which can be natural or laboratory-induced.


CHEMISTRY
MINERAL: Tourmaline
CHEMISTRY:
Elbaite Na(Li1.5,Al1.5)Al6Si6O18(BO3)3(OH)4
Dravite NaMg3Al6Si6O18(BO3)3(OH)4
Liddicoatite Ca(Li2Al)Al6Si6O18(BO3)3(OH)3F
Chromedravite NaMg3Cr6Si6O18(BO3)3(OH)4
COLOR: All colors
REFRACTIVE INDEX: 1.624 to 1.644
BIREFRINGENCE: 0.018 to 0.040
SPECIFIC GRAVITY: 3.06 (+0.20, -0.06)
MOHS HARDNESS: 7 to buy 7.5



ABOUT US
We're Pakistan based Gemstones traders, we have been in this business since 1990. We only work in Natural gemstones and minerals, we directly buy gems from mines. Our aim is to create healthy business relation with our customers and give them best possible shipping service and prices. We have worked in other sites as well and we had great reviews our there, we also wanted to create good reputation over etsy as well, and make name for our self in international markets.


SHIPPING SERVICE/COMBINE SHIPPING DISCOUNT
Our shipping policy is very flexible, buyer should not worry about the shipping charges, we also buys gemstone in international market and we know the expenses and problem one buyer can face while buying some gemstones and have to pay large expenses in shipping, before buying any item please let us inform about your item you interested in we will give you the best possible prices and discount, we will not disappoint you. Tracking number will be provided for all kind of shipping, without tracking no shipping will be regulated.


GEMSTONES PRICES/DETAIL/GUARANTY
Buying a gemstone on international market is kind of risky, When you buy item online which has many of things which need to be checked, in this case many buyer make many mistake cost them good amount of money while choosing item. In this case we will give you best possible service to help you out about our item and others item too, any suggestion question about our item or any information about any stone we would love to help you out. And we guaranty you our pricing will be the best price you can ever get on international market.