Gem stones are of two types precious and semi-precious. But what are gemstones? they are minerals which is naturally formed in the earth carefully cleansed of impurities, cut and polished to give shape, size and shine used for jewellery or as antique showpiece collection. but not only minerals some organic and rocks are also ussed as fine gems in jewellery and cosmic healing.
http://www.rocksandco.com
this is a link to online library about gemstones. valuable to read and know.
navarathnam in tamil
yellow sapphire - pushparagam
diamond - vairam
ruby - manickam
blue sapphire - neelam
emerald - maragatha pacchai
red coral - pavallam
pearl - muthu
nalmuthu: in south India nalmuthu is a name assigned for the purest of sea pearls which is naturally produced and extracted from an oyster. no form of human hindrance or help is given while the same is extremely rare and costly.
In Indian market language one can identitfy pure pearl to be of two kinds based on where you buy and the cost. In a reputed jewel shop pure pearls will be of 40 thousand rupees which means sea pearls. Same pure pearls from a gemstone jeweller will be fresh water pearls which is called cultured pearls.
But cultured pearls in Indian market means synthetic pearls or paasi, again based on the seller. As far as pearls are concerned it's always buyers beware know your seller since pure or fake cannot be identified by eyes, it should be lab tested or do some practical home tests which are practically impossible before buying.
naripavallam:
this is a link to know about navaratna gemstone collection.
http://jewelry-blog.internetstones.com/gemstone-and-jewellery-industry-news/navaratna-rings-gemstones-jewelry-news
http://www.astrologycom.com/navratna1.html
http://www.jyotishgem.com/
http://visual.merriam-webster.com/clothing-articles/personal-accessories/jewelry/cut-for-gemstones_2.php
this link is to know the various cutting methods of gemstones.
courtesey wikipedia. only for easy reference.
http://www.rocksandco.com
this is a link to online library about gemstones. valuable to read and know.
navarathnam in tamil
yellow sapphire - pushparagam
diamond - vairam
ruby - manickam
blue sapphire - neelam
emerald - maragatha pacchai
red coral - pavallam
pearl - muthu
nalmuthu: in south India nalmuthu is a name assigned for the purest of sea pearls which is naturally produced and extracted from an oyster. no form of human hindrance or help is given while the same is extremely rare and costly.
In Indian market language one can identitfy pure pearl to be of two kinds based on where you buy and the cost. In a reputed jewel shop pure pearls will be of 40 thousand rupees which means sea pearls. Same pure pearls from a gemstone jeweller will be fresh water pearls which is called cultured pearls.
But cultured pearls in Indian market means synthetic pearls or paasi, again based on the seller. As far as pearls are concerned it's always buyers beware know your seller since pure or fake cannot be identified by eyes, it should be lab tested or do some practical home tests which are practically impossible before buying.
naripavallam:
this is a link to know about navaratna gemstone collection.
http://jewelry-blog.internetstones.com/gemstone-and-jewellery-industry-news/navaratna-rings-gemstones-jewelry-news
http://www.astrologycom.com/navratna1.html
http://www.jyotishgem.com/
http://visual.merriam-webster.com/clothing-articles/personal-accessories/jewelry/cut-for-gemstones_2.php
this link is to know the various cutting methods of gemstones.
There are over 130 species of minerals that have been used as gemstones. These include:
- Agate
- Alexandrite and other varieties of chrysoberyl
- Andalusite
- Axinite
- Benitoite
- Aquamarine and other varieties of beryl
- Bixbite (Red beryl)
- Cassiterite
- Chrysocolla
- Chrysoprase
- Clinohumite
- Iolite
- Danburite
- Diamond
- Diopside
- Dioptase
- Dumortierite
- Emerald
- Feldspar (moonstone)
- Garnet
- Hambergite
- Hematite
- Jade – jadeite and nephrite
- Jasper
- Kornerupine
- Kunzite
- Lapis lazuli
- Malachite
- Natural moissanite
- Obsidian
- Olivine (Peridot)
- Opal (Girasol)
- Pyrite
- Quartz and its varieties
- Agate
- Amethyst (cardinal gem)
- Citrine
- Chalcedony (bloodstone)
- Onyx
- Tiger's-eye
- Ruby
- Sapphire dark blue
- Spinel
- Sugilite
- Tanzanite and other varieties of zoisite
- Topaz
- Turquoise
- Tourmaline
- Variscite
- Zeolite (Thomsonite)
- Zircon
[edit]Artificial and synthetic
Artificial or synthetic materials used as gems include:
- High-lead glass
- Synthetic corundum
- Synthetic cubic zirconia
- Synthetic spinel
- Synthetic moissanite
- Synthetic alexandrite
- Synthetic opal
- Synthetic turquoise
- Synthetic diamond
- Synthetic quartz
- Synthetic beryl
- cristinite
- YAG yttrium aluminum garnet
[edit]Organic
There are a number of organic materials used as gems, including:
courtesey wikipedia. only for easy reference.
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