Apophyllite Group
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
4.5 – 5.0
Specific Gravity
2.3 – 2.5
Refractive Index
1.53 – 1.543
Crystal System
Tetragonal
Luster
Pearly
Fracture
Uneven
Color
various
Mohs Hardness
Mohs Hardness: 4.5 – 5.0
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Apophyllite Group
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
Treatments
Colorless material has been reported by Plough (1957) to turn green on irradiation. Heat could be expected to reverse this change - Nassau, 1984
4.5 to 5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
2.30 to 2.50Walter Schumann, Gemstones of the world (2001) More from other references
PerfectHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Easy and perfectMore from other references
UnevenArthur Thomas, Gemstones (2009)
1.530 to 1.543Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Uniaxial/+,-Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
0.000 to 0.003Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
HighArthur Thomas, Gemstones (2009)
White, colourless, bluish, reddish, yellowish, greenishUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
Green, V4+ in distorted octahedral coordinationW. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011)
Transparent,Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
PearlyHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Blue-green and yellowArthur Thomas, Gemstones (2009)
TetragonalHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Tabular, prismatic, pseudo-cubicArthur Thomas, Gemstones (2009)
Apophyllite occurs in basalts and granitesMichael O?Donoghue, Gems, Sixth Edition (2006)
Apophyllite Group information at mindat.org
About Apophyllite Group
아포필라이트는 층상 규산염 광물군으로, 물을 가열하면 박리되는 성질 때문에 '아포필라이트(불에서 잎사귀처럼 벗겨짐)'라는 이름이 붙었습니다. 무색, 백색, 녹색 등의 색상을 보이며 강한 광택과 투명도를 지닙니다. 인도 푸나(데칸 트랩) 지역에서 산출되는 녹색 아포필라이트 결정이 특히 아름다우며, 수집가들에게 인기 있는 광물 표본입니다.
Jewelry Use
Durability
3/10
Science FYI Family
Frequently Asked Questions
What is Apophyllite Group?
아포필라이트는 층상 규산염 광물군으로, 물을 가열하면 박리되는 성질 때문에 '아포필라이트(불에서 잎사귀처럼 벗겨짐)'라는 이름이 붙었습니다. 무색, 백색, 녹색 등의 색상을 보이며 강한 광택과 투명도를 지닙니다. 인도 푸나(데칸 트랩) 지역에서 산출되는 녹색 아포필라이트 결정이 특히 아름다우며, 수집가들에게 인기 있는 광물 표본입니다.
What is the hardness of Apophyllite Group?
Apophyllite Group has a Mohs hardness of 4.5 to 5.0, making it relatively soft for use in jewelry.
What color is Apophyllite Group?
Apophyllite Group is primarily Various.
How much does Apophyllite Group cost?
Apophyllite Group falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Apophyllite Group?
Apophyllite Group belongs to the Tetragonal crystal system.