Opal is classified as a “mineraloid” or mineral-like in scientific terms. It is a silica-gel made out of microscopic spheres with water molecules in between, therefore an amorphous material. While opal is a widespread material…
*Gem Focus & Market Pulse (Free Subscriber)Soft blue and purple pleochroism of tanzanite has been dazzling gem lovers since the 1960s. Named after its type locality Tanzania, tanzanite gained a lasting niche in the colored stone market. Thanks to a strong…
*Gem Focus & Market Pulse (Free Subscriber)Quartz, the second most common mineral in the world’s crust composition, has many uses in our lives.
*Gem Focus & Market Pulse (Free Subscriber)Diaspore from Turkey has been an exciting find for the devoted mineral and gem collectors for many decades.
*Gem Focus & Market Pulse (Free Subscriber)Yellow metallic luster of gold is probably the most coveted sight for any explorer and miner since the beginning.
*Gem Focus & Market Pulse (Free Subscriber)Rhodochrosite is a manganese carbonate mineral (MnCO3) with low hardness of 4 and three directional perfect cleavage. The structure is very similar to calcite since it is a calcite group mineral with remarkable coloration thanks to manganese.
*Gem Focus & Market Pulse (Free Subscriber)Gemstones are arguably the most aesthetic representatives of minerals in nature. Common understanding of a gem’s beauty is attributed to its color and transparency. However, there are other mineralogical properties that might make a gemstone attractive, even unusual.
*Gem Focus & Market Pulse (Free Subscriber)High-end buyers are given more options while understanding that the beauty and rarity of tsavorite clearly justify its price.
*Gem Focus & Market Pulse (Free Subscriber)Basic definition of inclusions may be given as trapped foreign materials or irregularities in a gemstone. They simply reflect the formation conditions regardless of the gemstone’s origin, natural or lab-grown. While natural inorganic gems contain…
*Gem Focus & Market Pulse (Free Subscriber)Peridot is a yellowish green to green gemstone belonging to the olivine mineral group. It has been known for thousands of years.
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