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I think it has to do with the hardness of the stone. Only 3 Months have secondary stones. I know that the 3 main birthmonths that have secondary stones are very fragile. Another Fragile is Emerald so never get it wet! Hope this helps.
June - Pearl Hardness 3-4
June Secondary is Alexandrite Hardness 8.5
October - Opal Hardness 5.5-6.5
October Secondary Stone Pink Tourmaline Hardness 7-7.5
December - Turquoise Hardness 5-6
December - Secondary Stone Blue Zircon Hardness 6.5-7
MOHS Scale for Harness 1-10, 10 being Diamond the hardest stone
by Micah5five
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∙ 11y ago
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What is the difference between starstone and birthstone?
Gemstone is a gemstone that is very valuable. A birthstone is associated with your birth which many people wear.
Is there more than one birthstone for each month?
Yes there are. There are the traditional birthstones for each month. And the modern ones.
Is there more then one birthstone for each month?
Yes, for example december has 3 because all of them are commonly mistaken.
What elements do you have?
I have a thory of elements. If your birth-stone is Ruby your element is fire. Sapphire Water. Emerald Nature. (I will do more next week. I do three every week)
How many eggs are produced by each ovary in each year of non pregnant women?
It is different for each women. On average every month one egg is let go from the ovary. Sometimes more then one can be let go and this can lead to twins. Unlike men, women do not "make" eggs like men make sperm. Women have a set number from birth, so when we run out of eggs we inter into menopause.
What is the difference between starstone and birthstone?
Gemstone is a gemstone that is very valuable. A birthstone is associated with your birth which many people wear.
Is there more than one birthstone for each month?
Yes there are. There are the traditional birthstones for each month. And the modern ones.
How many car crashes in a month?
i think around 8,000 each month or more.
Who makes 30000 a month?
Entry level managers make $30,000 or more each month. Some teachers make $30,000 each month for working for the school system.
How do you beat level1 on Fantage?
each month you level up...so play for more than more than 1 month...
What if you were born on the 18th of novemeber what would be the chinse sign?
The Chinese (more properly, the Oriental) astrology follows a 12-year cycle. Each year is represented by a different animal. Your birth month is not relevant.
Why at seven month of gestation fetus birth is alive and at eight month fetus is dead in humans?
Wouldn't know unless there was more detail. There are many circumstances that can cause a miscarriage or a birth ending in stillbirth prematurely.
Which month does the moon wane?
With a little more than one orbit per month, the Moon wanes at least once each and every month.
You are 10 and you weigh 9 stone how can you lose 1 stone in a month?
eat a tin of salmon or tuna with a piece of brocilli and a vitamin pill everyday and nothing more drink lots of water and do around 25 mins of exercise (cardio) 5 times a week you'll loses about a stone and half in a month
Are month-to-month rental agreements more expensive in the long run?
This depends on each personal situation. In general, it saves more money to have a longer rental agreement; however if you do not have a steady income it is better to have month to month agreements.
Do 3 month rabbits over eat?
Yes, they are prone to eat more close to the beginning of birth.
What holidays do Aztecs celebrate?
i dont no the answerreally? 'no'?they had an 18 month calendar and each month was dedicated to a god with a few or more holidays for the god during that month.
