is blue topaz a gemstone?
431521
Blue topaz is the state gemstone of the US state of Texas. Naturally occurring blue topaz is quite rare. Typically, colorless, gray, or pale yellow and blue material is heat treated and irradiated to produce a more desired darker blue.
1392629
Photo by Eric Welch/GIA. Emerald is the green to greenish blue variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors. Gem experts differ on the degree of green that makes one stone an emerald and another stone a less-expensive green beryl.
1396818
['Tanzanite. $1,200 per carat. ... ', 'Black Opal—$9,500 per carat. Dark and mysterious, the black opal is very different to its lighter, white and fiery sibling. ... ', 'Red Beryl. $10,000 per carat. ... ', 'Musgravite. $35,000 per carat. ... ', 'Alexandrite. $70,000 per carat. ... ', 'Emerald. ... ', 'Ruby—$1.18 million per carat. ... ', 'Pink Diamond—$1.19 million per carat.']
454122
Tourmaline happens to be the birthstone of October, while sapphire is the gem of September. Both these gorgeous jewels, however, have one thing in common – the color pink. ... That said, pink tourmalines are not as robust and sough-after as pink sapphires.
104052
The most common use for topaz is as a gemstone in jewelry. Topaz is a a hard gemstone, but this hardness also increases its tendency to break. Because of this, topaz is typically used for jewelry that will not be knocked around or come in contact with hard surfaces.
1052041
Multicolored yellow and blue Topaz comes from Nerchinsk, Transbaikalia, Russia; and transparent and often etched crystals from Volodarsk-Volynskii, Zhytomyr, Ukraine. Glassy colorless and sherry crystals, some very large in size, come from the gem mines at Mogok, Burma (Myanmar).
208950
Most blue topaz on the market has been exposed to radiation. ... Topaz is not the only gemstone treated with radiation to change its color. Diamonds, pearls and other gemstones are sometimes irradiated to change their color. In general, the longer stones are exposed to radiation, the deeper and more attractive the color.
1359676
Color has the greatest influence on a sapphire's value, and preferred sapphires have strong to vivid color saturation. The most valued blue sapphires are velvety blue to violetish blue, in medium to medium-dark tones. Sapphires with these qualities command the highest prices per carat.
631153
Citrine (quartz family) and topaz are actually unrelated mineral species. ... Precious topaz, ranging in color from brownish orange to yellow, is often mistaken for “smoky quartz” or “citrine quartz,” respectively—although quartz and topaz are unrelated minerals!
1431163
Every other gemstone that isn't one of those four is considered to be semi precious. The list goes on and on, but some of the more common ones are: alexandrite, agate, amethyst, aquamarine, garnet, lapis lazuli, moonstone, opal, pearl, peridot, rose quartz, spinel, tanzanite, tourmaline, turquoise and zircon.
1366103
While topaz is usually thought of as a golden-hued gem, it actually comes in a number of colors, and the boldest shade is arguably the head-turning hue of pink topaz. ... However, unlike pink topaz, pink sapphire is a precious gemstone that shares qualities with its more widely-known blue counterpart.
1027655
October | Tourmaline and Opal October also has two birthstones; Tourmaline and Opal. Tourmaline is a favorite gemstone for many because it's available in a rainbow of beautiful colors. Opal gemstones are truly unique because each individual gem is adorned with a one-of-a-kind color combination.
1233450
November birthdays have two options for birthstones: Topaz and Citrine. The color for November's birthstone is golden yellow. ... Some choose blue topaz as an alternative, as it's a popular color for topaz and more widely available than yellow topaz.
1259530
Semi-Precious Gemstones. Any gemstones that is not a diamond, ruby, emerald or sapphire is a semi-precious gemstone. ... This guide will reveal details about some of the most popular semi-precious gemstones - garnet, peridot, amethyst, citrine, blue topaz and turquoise.
696299
Topaz of all different colors are used in jewelry, in rings, earrings, necklaces, pendants, and bracelets. The blue, orange, and pink colors are most often cut as gemstones, and colorless Topaz is becoming increasingly popular as an inexpensive Diamond simulant.
888203
All About Enhanced Untreated, natural blue diamonds can be found, but they are extremely rare. This scarcity makes them one of the most sought-after and expensive gemstones available today. The jaw-dropping Hope Diamond, weighing over 45 carats and insured for US $250 million, is a fine example.
820095
Topaz, Citrine (November) Birthstone Jewellery | notonthehighstreet.com.