Aventurine feldspar

India was the first country to mine diamonds, with some mines dating back to 296 BC. India traded the diamonds, realising their valuable qualities.jewellery manufacturers
Historically, diamonds have been given to retain or regain a lover’s or ruler’s lost favor, as symbols of tribute, or as an expression of fidelity in exchange for concessions and protection. Mughal emperors used the diamonds as a means of assuring their immortality by having their names and wordly titles inscribed upon them. Moreover, it has played and continues to play a pivotal role in Indian social, political, economic, and religious event, as it often has done elsewhere.
Magnificent floral and botanical forms often worked in enamel were inexpensive and became so popular once mass-produced, that the Art Nouveau style declined.
7. feldspar: Divides into two predominant types according to the mineralogy classification feldspar: Potash feldspar and plagioclase feldspar. The molecular formula respectively is: KAlSi3O8 (potassium aluminum silicate), NaAlSi3O8 (aluminum silicate sodium).tahitian pearl
Feldspar type including moonlight stone either transparent colorless orthoclase, sunlight stone or aventurine feldspar, labradorite, day river stone or Amazon stone.

8. jade: The jadeite (is also called jadeite), the nephrite. The jadeite is one kind of sodium and the aluminum silicate, the molecular formula is: NaAl(SiO3)2. The nephrite is one kind of watery calcium magnesium silicate, the molecular formula is: CaMg5(OH)2(Si4O11)2. 9. quartz: The quartz is one kind of its color gem, the pure quartz is the achromatic color is transparent.

The molecular formula is SiO2. The quartz type including crystal, the iridescence either the color reddish quartz, the rutile spot or the sagenite quartz, the amethyst, the topaz, the smoke quartz either the smoky topaz, the cotton rose stone,golden south sea pearl
the Dongling stone, the dumortierite quartz, the milky quartz, the siderite or the sapphire quartz, the tiger eye stone, eagle-eyed either hunts for eagle-eyed, the quartz cat eye, the belt star or the star light quartz.
For state occasions and formal events she plastered herself in arrangements of pearl necklaces. The rarity value of real pearls then was such that an American skyscraper exchanged hands for the price of a pearl necklace.
10. calcedony:freshwater pearl Is also called the aphanitic quartz. The molecular formula is sio2. Calcedony type including moonlight stone, chrysoprase, red agate, sardine, soapstone, prase, agate, onyx, jasper, plasma, silicon green copper ore calcedony, silicified wood.