Yes..in a high definition the Fayalite can be able to scratch the Orthoclase but not the topaz. If you look on the Mohs scale, the Orthoclase is not harder than the Topaz. So, in clear words, yes!!

it depends on the color if it is blue or pink it's got the most value.

$200-$2000 per .02 gram carat

Topaz can last forever if cared properly.

Most substances will react with some acid or another. Even glass will be dissolved by hydroflouric acid and even gold will dissolve in aqua regia. As for regular acids, I have put a sample of topaz in a hydrochloric acid solution and after three weeks, it was unchanged.

Other associations Metamorphic topaz from Brewer mine, South Carolina, is cryptocrystalline. Large pinkish crystals occur in a pegmatitic granite xenolith in rhyolite from Honeycomb Hills, Utah, and 100-pm crystals are common in a topazquartz alteration adjacent to a qvartz-pyrite vein from the Henderson porphyry molybdenite deposit, Colorado.

== == Topaz is a gemstone. Most times you see it in blue, London blue or Swiss blue.

It is pretty abundant due to the different treatments that many have started to perform on them.

It is the birthstone for November and also the gemstone for the 4th wedding anniversary.

You can also find tons of it on eBay.

There are three main different types of Emeralds. The first is natural Emeralds. They are usually mined in countries like Egypt. They are not fake at all. The second is called hydrothermal.They are fake or synthetic Emeralds. They are manufactured in factories. The third is called flux also made in factories, but is grown from beryl seeds.

HOPE THIS HELPS!!!!!!!!!!!!!!!

For more info go to- http://ezinearticles.com/?Emeralds---Knowing-the-Different-Types-of-Emeralds&id=1337622

Aquamarine is a certain type of the mineral Beryl.

citrine

Actually both. They are both considered the birthstone for November. I speculate this is likely due to the rarity of yellow topaz (NOT to be confused with blue topaz) and abundance of citrine.

There are a few different types of topaz found in the world. These different types of topaz cost different amounts of money per karat.

3.5-3.6, Average=3.55

topaz is valuable like monkeys

triangle

Yes, it is a real gem, not just a Japanese camp in Utah.

it is the Blue Zircon

Topaz can be found in varying amounts world wide. However the major mines supplying topaz can be found in the Ural and Ilmen mountains, Afghanistan, Sri Lanka, Czech Republic, Germany, Norway, Pakistan, Italy, Sweden, Japan, Brazil, Mexico, Flinders Island and the United States.

Topaz usually shows up as being a yellow color in it's pure state. Blue topaz appears as blue in it's natural state.

Topaz are Insoluble in acids. It has great hardness and perfect basal cleavage. Even though, Topaz jewelry should not be ultrasonically cleaned; the vibration can cause incipient cleavage cracks to open, cleaving the stone. Some treated stones (particularly the expensive reds, pinks, violets and deep oranges, but not blue) are known to fade with prolonged exposure to direct sunlight.

the density of the blue topaz is the mass divided by the volume