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Gem Journal

Learn the stone before you buy it

Straight answers on identifying, pricing, choosing and caring for natural gemstones — written for buyers in Pakistan, with the Urdu names you already know.

Green Agate at Home: Cleaning, Dye and Long-Term Care Simple care for a hard-wearing stone Green Agate at Home: Cleaning, Dye and Long-Term Care Green agate is a hard, forgiving stone, so most of its care is common sense. The one thing worth understanding is where its colour comes fro… Read Jasper Is Cheap, So What Are You Paying For? Jasper value, pattern by pattern Jasper Is Cheap, So What Are You Paying For? Jasper is one of the most affordable natural stones you can buy, and that makes people assume all jasper is the same. It isn't. Jasper is op… Read Judging Chalcedony: Glow, Evenness and a Waxy Shine What separates fine chalcedony from ordinary Judging Chalcedony: Glow, Evenness and a Waxy Shine Chalcedony is the umbrella name for microcrystalline quartz, the same family that includes agate, carnelian, onyx and bloodstone. When deale… Read Judging Moss Agate: Pattern, Clarity and Cut How shajri aqeeq is graded Judging Moss Agate: Pattern, Clarity and Cut Moss agate, known in Pakistan as shajri aqeeq, is translucent chalcedony with mineral growths inside that look like moss, ferns or tiny tree… Read Keeping Amethyst Purple: Light, Heat and Everyday Care Jamunia care, from sunlight to storage Keeping Amethyst Purple: Light, Heat and Everyday Care Amethyst (jamunia) is tough enough to wear every day, but its purple is more delicate than its hardness suggests. The colour comes from trac… Read Keeping Moonstone's Glow: A Practical Care Guide Cleaning, storing and wearing moonstone Keeping Moonstone's Glow: A Practical Care Guide Moonstone is a feldspar, and two facts about feldspar shape all of its care: it is only 6 to 6.5 on the Mohs scale, and it has cleavage plan… Read Keeping White Topaz Bright: Grease, Cleavage and Storage Care for colourless topaz Keeping White Topaz Bright: Grease, Cleavage and Storage White topaz is often bought as an affordable colourless gem, and it can look superb. Owners are often surprised, though, by how quickly it s… Read Kunzite's Colour Shift and Weight: Separating It From Look-Alikes Kunzite authenticity, step by step Kunzite's Colour Shift and Weight: Separating It From Look-Alikes Kunzite is the pink to lilac variety of the mineral spodumene, and the mountains of Afghanistan and northern Pakistan are well-known sources… Read Lajward Grading: Blue Depth, Pyrite and Calcite How lapis lazuli is judged Lajward Grading: Blue Depth, Pyrite and Calcite Lapis lazuli (lajward) is not a single mineral but a rock, mostly blue lazurite mixed with white calcite, golden pyrite and sometimes other… Read Lehsunia Grading: The Eye, the Colour and the Honey Tone How cat's eye is judged in the trade Lehsunia Grading: The Eye, the Colour and the Honey Tone Cat's eye (lehsunia) is judged by a feature most gems do not have: a single bright line of light that glides across the dome as you turn it… Read Marjan Explained: How to Buy Red Coral Without Regret Organic gem, real checks Marjan Explained: How to Buy Red Coral Without Regret Red coral, known as marjan, is not a mineral at all. It is the skeleton of tiny sea animals, built from calcium carbonate, and that changes… Read Moh-e-Najaf or Glass? Reading the Needles Inside Spotting genuine rutilated quartz Moh-e-Najaf or Glass? Reading the Needles Inside Moh-e-Najaf is rutilated quartz: clear or smoky quartz threaded with fine needles of rutile, usually golden, sometimes reddish or black. The… Read Nephrite Jade: Tradition, Toughness and Wearing It Well What nephrite is believed to offer Nephrite Jade: Tradition, Toughness and Wearing It Well Nephrite is one of the two minerals sold as jade, and people often buy it for meaning as much as for looks. Before you think about what it m… Read

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