14 Kinds Of Gemstones You Must Know.pptx

Dive into the dazzling world of gemstones with our quick and fun guide! From the sky-blue Kyanite that mimics sapphires to the vibrant Cordierite, each stone has a story. Imagine the soft Apatite, a mineral so versatile it could be mistaken for other gems. Serpentine's green patterns add a touch of nature to any decor, while Rhodochrosite's rosy hue adds a romantic glow.

Sugilite's purple charm and Tibet Beads' spiritual allure make them conversation starters. Malachite's green and Turquoise's blue-green tones bring the outdoors in. Lapis Lazuli's deep blue and Fluorite's fluorescent flair are sure to light up any jewelry collection.

Andalusite's unique pleochroism and Diopside's affordable elegance offer something for everyone. These gems aren't just for looking; they're for living with style. Whether you're a jewelry store, designer, or retailer, these stones are your ticket to standout style.

1. 14 Kinds Of Gemstones You Must Know Get entire article, please visit: https://sobling.jewelry/gemstone-secrets-your-guide-to-kyanite-cordierite-and-more/

2. Cordierite 2. 1. Kyanite Apatite 3. Rhodochrosite Serpentine 4. 5. Sugilite 6. Malachite Tibet Beads 7. 8. Turquoise 9. Fluorite Lapis-Lazuli 10. 11. Sphalerite 12. Diopside Andalusite 13. 14. CONTENTS

3. 01 Kyanite

4. Kyanite Introduction Kyanite, resembling sapphires, is used for healing and collecting. It's soft and requires careful handling. Kyanite pendant necklace Composition Al 2 SiO 5 Crystal system Triclinic system Hardness 4 ~ 7 Specific Gravity 3.62 Refractive index 1.716 ~ 1.731 Color Blue or bluish-green Cleavage Perfect axial cleavage Fracture -

5. 02 Cordierite

6. Cordierite Introduction Cordierite, also known as iolite, is a gemstone with strong pleochroism, resembling sapphire and found in various countries, used for spiritual healing and valued for its clarity and color. Cordierite necklace Composition Mg 2 Al 3 (AlSisO 18 ) Crystal system Orthorhombic Hardness 6.5 ~ 7 Specific Gravity 2.6 Refractive index 1.54 ~ 1.55 Color Blue, bluish-purple to blue-gray Cleavage Clear axial cleavage Fracture Semi-shell-like

7. 03 Apatite

8. Apatite Introduction Apatite, named for its deceptive resemblance to other minerals, is a versatile mineral with a hardness of 5, prized for its colorful varieties. Composition Ca 5 (PO 4 ) 3 ( F, Cl, OH) Crystal system Hexagonal crystal system Hardness 5 (Can barely scrape out traces with a small knife) Specific Gravity 3.15 ~ 3.20 Refractive index 1.642 ~ 1.64 Color Colorless, yellow, blue, purple, green, brown, white, etc. Cleavage Underdeveloped Fracture Shell-shaped apatite cat's eye

9. 04 Serpentine

10. Serpentine Introduction Serpentine is a green, patterned mineral used for decorative items and building materials, with high-value carved pieces and a variety of uses, including imitation jade and sculptures. The biggest difference between Taiwan Jade and Serpentine is the translucency. Composition Crystal system Hardness Specific Gravity Refractive index Color Cleavage Fracture Mg 3 Si 2 O 5 (OH) 4 Monoclinic system 5 ~ 5.5 2.6 ~ 2.8 1.55 ~ 1.56 Variable, often ranging from light green to dark - Shell-shaped

11. 05 Rhodochrosite

12. Rhodochrosite Introduction Rhodochrosite is a rose-hued, rare manganese mineral used in jewelry and decor, with affordable market prices. Rhodochrosite spring bracelet Composition MnCO 3 Crystal system Hexagonal crystal system Hardness 3.5 ~ 4 Specific Gravity 3.5 ~ 3.7 Refractive index 1.58 ~ 1.84 Color Rose red, light pink to dark brown Cleavage Perfect rhombohedral cleavage Fracture Uneven shape

13. 06 Sugilite

14. Sugilite Introduction Sugilite is a purple gemstone with healing claims that gained and lost popularity quickly due to its high price. Sugilite beads spring bracelet Composition (K’Na) (Na"Fe) 2 (Li,Fe) Si 12 O 30 Crystal system Orthorhombic Hardness 6 ~ 6.5 Specific Gravity 3.12 Refractive index 1.55 ~ 1.56 Color Red-purple, blue-purple Cleavage - Fracture Uneven

15. 07 Tibet Beads

16. Tibet Beads Introduction Tibet Beads are popular for their supposed spiritual powers, but their authenticity and healing claims are difficult to verify. Composition SiO 2 Crystal system Hexagonal crystal system Hardness 7 Specific Gravity 2.65 Refractive index 1.544 ~ 1.553 Color Dyed black Cleavage Bad Fracture Shell-shaped Tibet Beads bracelet Tibet Beads bracelet

17. 08 Malachite

18. Malachite Introduction Malachite is a soft, green mineral with circular patterns, mainly used for decoratives and requires cautious handling due to its copper content. Composition CU 2 CO 3 (OH) 2 Crystal system Monoclinic system Hardness 3.5 ~ 4 Specific Gravity 3.8 Refractive index 1.85 (average) Color Freshly earned green (Often vague) Cleavage Complete (usually vague) Fracture Shell-shaped to unevenly shaped Malachite with concentric circular patterns

19. 09 Turquoise

20. Turquoise Introduction Turquoise is a blue-green gemstone from Iran and the U.S., used in jewelry and decor, with varying price points. Composition CuAl 6 (PO 4 ) 4 (OH) 8 • 5H 2 O Crystal system Triclinic system Hardness 5 ~ 6 Specific Gravity 2.4- ~ 2.84 Refractive index 1.61 ~ 1.65 Color Variable, often Blue to blue-green Cleavage - Fracture Shell-shaped, granular Turquoise and beeswax pendant

21. 10 Lapis-Lazuli

22. Lapis-Lazuli Introduction Lapis lazuli, a blue stone with pyrite patterns, is used in jewelry, pigments, and cosmetics, with premium quality originating from Afghanistan and available in various price ranges. Composition 3NAAISIO 4 .NA S Crystal system Isometric crystal system Hardness 5 ~ 6 Specific Gravity 2.5 ~ 3.0 Refractive index 1.5 Color Often appears blue Cleavage - Fracture Granular Siderite often has white minerals co-occurring with it Lapis lazuli lizard carving with special charm

23. 11 Fluorite

24. Fluorite Introduction Fluorite is a soft, fluorescent mineral used in carvings and jewelry, with some varieties exhibiting color change and natural luminescence. Composition Crystal system Hardness Specific Gravity Refractive index Color Cleavage Fracture CaF 2 Isometric crystal system 4 3.18 1.43 There are many varieties, but most are light green, blue, purple, and yellow. Perfect octahedral cleavage, Shell-like Color-changing fluorite appears purple under white light and purplish-red under yellow light.

25. 12 Sphalerite

26. Sphalerite Introduction Sphalerite, often mistaken for galena, is a zinc ore mineral with rare clean crystals, challenging to polish into gems, and is valued for its fiery colors and strong luster, with significant price variation based on size. Composition Crystal system Hardness Specific Gravity Refractive index Color Cleavage Fracture (Zn, Fe)S Isometric crystal system 3.5 ~ 4 4.05 2.37 Golden yellow, orange yellow, brown Perfectly rhombohedral twelve-faced Shell-shaped

27. 13 Andalusite

28. Andalusite Introduction Andalusite, discovered in Spain, is a gem-quality mineral with unique pleochroism and "black cross" chiastolite; however, it remains less renowned, prized by collectors for its 4-carat clean stones. Composition Al 2 SiO 5 Crystal system Orthorhombic Hardness 7 ~ 7.5 Specific Gravity 3.16 ~ 3.20 Refractive index 1.63 ~ 1.64 Color Flesh red, reddish-brown, and olive green Cleavage Clear columnar cleavage Fracture Irregular shape C hiastolite

29. 14 Diopside

30. Diopside Introduction Diopside is a green gemstone with white to green colors, found in Siberia, Myanmar, and India, and serves as an affordable alternative to emeralds. Composition CaMgSi 2 O 6 Crystal system Monoclinic system Hardness 5 ~ 6 Specific Gravity 3.2 ~ 3.3 Refractive index 1.66 ~ 1.72 Color White to light green, the color deepens with the content of Fe. Cleavage Completely columnar. Fracture Irregular to shell-like. Diopside cross pattern stone

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