Some, however, have needle-like rutile inclusions which are very attractive. The gemstone is usually free of any inclusions. Orange spinel occurs in different shades with the ones with vivid and intense orange saturation being the most sought after. This stone is very popular among collectors. Imperial topaz is versatile and can be faceted into different stunning and fascinating shapes. It is incredibly durable and can be used for daily wear. The orange stone has a rating of 8 on the Mohs hardness scale. Imperial topaz usually has excellent clarity with little or no visible inclusions and has a vitreous luster. It occurs in a variety of hues and can appear pinkish-orange, yellow-orange, golden brown, or bright yellow. The colors of imperial topaz are compared to the evening sun or the color of the sky during sunset. One of the most notable imperial topaz pieces is the one worn by Anne Hathaway. It is also the most valuable variety of topaz and among the most valuable colored gemstones. Imperial topaz, which is also referred to as precious topaz, however, is the rarest variety of topaz. Topaz is a fairly affordable and rather common gemstone. As such, they are very durable and ideal for all types of jewelry. Sapphires are very hard, having a rating of 9 on the Mohs hardness scale, making them second only to diamonds in hardness. However, naturally occurring orange sapphires get their color from traces of vanadium within the crystal structure. Most orange sapphires are usually heat-treated to achieve the desired orange color. These are among the rarest gems and they are highly valued-with the largest coming in at 100.18 carats. ![]() Orange sapphires usually have traces of pink and yellow in them, and sometimes have a pink secondary color, referred to as padparadscha sapphires. Sapphire is the birthstone for September and it helps wearers fulfill their ambitions. They also have a variety of hues, ranging from orange to yellowish orange to reddish-orange. They occur in different shades of orange ranging from light shades to dark intense shades. Sapphire occurs in every color except red.
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